i want to enter more then 16 number in one cell without text forme

[Ganesh Pawar]

i want to enter more then 16 number in one cell without text formet

 

[Bernard Liengme]

Begin by typing a single quote (apostrophe ') then the 16 digits.
Beware this will behave as text.
If you want bigger numbers Google for XNUMBERS add-in
best wishes

 

[Barb Reinhardt]

IIRC, No Can Do.

 

[David Biddulph]

You can do it if all the digits after the 15th one are zeroes.
Otherwise, you're out of luck.