Q: How Many Digits in the Number 666,555,561?

 A: The number 666,555,561 has 9 digits.

How does 666,555,561 have 9 digits?

You simply count the number of digits from the first number to the last. Like this:


666555561
Digit # 123456789

What are the number of digits of the numbers near 666,555,561?

666,555,559666,555,560666,555,562666,555,563
9999

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