iPod touch Please help, advice needed too much Other memory on my ipod

The exact same thing happened to me last week on my iPhone 6 Plus 64GB. I got a notification that memory was almost full. I connected my iPhone to iTunes and 35GB were used for 'Other'. I had to restore my iPhone to factory settings to fix it. It wouldn't have been a problem if I hand't had 2 GB worth of photos synced from my personal computer. I didn't know any other methods to transfer those photos to my computers, but to Airdrop it to my iPad. But since 0kb of memory was left on my iPhone, Airdrop wasn't working very swiftly, so I had to sacrifice several hundred pics

This same thing has happened before to others. It seems that, if you have not upgraded to the latest iOS version, Apple downloads it to your device for you. Then, when you do the install, the upgrade is performed more quickly, since the download is already made. I would check under Settings:General:Software Update and see if there is a new iOS version. I am on iOS 8.2 and it says 8.3 is DOWNLOADED.

Backup, Restore, Recover from Backup

I have had this a couple of times with my iPads and an iPhone 6. Though time consuming, fixing it is easy and causes no loss of photos or any other user data:

1. Connect to iTunes on your computer and back up the device
2. Settings > General > Reset > Erase All Content and Settings
3. From iTunes, recover the device
4. When you then set the device up, select to restore it from the very backup that you just created for it. Note that if you have different iCloud and iTunes IDs, skip the step of entering them, set the device up, then separately enter these IDs under their respective Settings entries. Otherwise, the iOS device will use your iCloud ID as your iTunes ID, and when you go to fix it, you might get locked out of iTunes music auto-download and match for 90 days.

For my 128 GB iPads, this takes a few hours. I generally let the backup happen over night. Pretty stupid that I have to do this, but I've gotten used to it. Complex gadgets screwing up seems to just be part of life, these days...

Try see if you can download regardless, never had this problem...

Try to sync with computer not cloud (in case just do) an factory reset then uploa info from computer, this I what has been sacrificed to updates, Apple money making stuff. It can also be a sign that you have too many apps open, my 2nd gen never had this problem, try a reset although it many not work.