9988217163 has 10 divisors (see below), whose sum is σ = 14920670204. Its totient is φ = 6658811388.

The previous prime is 9988217159. The next prime is 9988217177. The reversal of 9988217163 is 3617128899.

It is not a de Polignac number, because 9988217163 - 2² = 9988217159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9988210163) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 61655581 + ... + 61655742.

Almost surely, 2^9988217163 is an apocalyptic number.

9988217163 is a deficient number, since it is larger than the sum of its proper divisors (4932453041).

9988217163 is a wasteful number, since it uses less digits than its factorization.

9988217163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123311335 (or 123311326 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 9988217163 is about 99941.0684503623. The cubic root of 9988217163 is about 2153.5881790421.

The spelling of 9988217163 in words is "nine billion, nine hundred eighty-eight million, two hundred seventeen thousand, one hundred sixty-three".