How many columns and rows are there in spreadsheets?

1048576 rows and16384 columns

Yes agree1,048,576 rows

and columns up to XFD, which is less than17,576 columns, it is16,384 

Rows 1048576 , columns 16384

My answer is .........1048576 rows and16384 columns

The number of rows in a worksheet is 65,536, Columns256