99117496320 has 384 divisors, whose sum is σ = 342181869120. Its totient is φ = 24400363520.

The previous prime is 99117496319. The next prime is 99117496333. The reversal of 99117496320 is 2369471199.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27676930 + ... + 27680510.

Almost surely, 2^99117496320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99117496320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171090934560).

99117496320 is an abundant number, since it is smaller than the sum of its proper divisors (243064372800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99117496320 is a wasteful number, since it uses less digits than its factorization.

99117496320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3681 (or 3661 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 51.

The spelling of 99117496320 in words is "ninety-nine billion, one hundred seventeen million, four hundred ninety-six thousand, three hundred twenty".