To check the number of photos you have stored on Google Photos, the only place is Google Dashboard: Go to the Google dashboard on your computer and log in. Scroll down until you see Google Photos. You should see an Album count and a Photos count. This is how many photos you have in Google Photos.Are Google Photos safe?
Google Photos is pretty safe to store your images. If you are concerned about losing the photos from the server, consider maintaining several copies. Keep at least three copies of your photos. Keep one copy in your local storage like PC or hard drive for easy access even when you aren’t connected to Internet.