I'd read online that Google sheets has a max cell limit of 5 million cells. A sheet that I'm currently working on has well and above passed that limit (including blank cells).
in the early years, it was 5 million cells. last year this was upgraded to 10 million cells
you can follow updates at: https://workspaceupdates.googleblog.com/search/label/Google%20Sheets
try:
take a look on Google DataStudio