99190831502 has 32 divisors (see below), whose sum is σ = 175641139200. Its totient is φ = 41112217440.

The previous prime is 99190831477. The next prime is 99190831511. The reversal of 99190831502 is 20513809199.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 598493 + ... + 746039.

It is an arithmetic number, because the mean of its divisors is an integer number (5488785600).

Almost surely, 2^99190831502 is an apocalyptic number.

99190831502 is a deficient number, since it is larger than the sum of its proper divisors (76450307698).

99190831502 is a wasteful number, since it uses less digits than its factorization.

99190831502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149136.

The product of its (nonzero) digits is 174960, while the sum is 47.

The spelling of 99190831502 in words is "ninety-nine billion, one hundred ninety million, eight hundred thirty-one thousand, five hundred two".