99321026568 has 16 divisors (see below), whose sum is σ = 248302566480. Its totient is φ = 33107008848.

The previous prime is 99321026509. The next prime is 99321026617. The reversal of 99321026568 is 86562012399.

It is a self number, because there is not a number n which added to its sum of digits gives 99321026568.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2069188030 + ... + 2069188077.

It is an arithmetic number, because the mean of its divisors is an integer number (15518910405).

Almost surely, 2^99321026568 is an apocalyptic number.

It is an amenable number.

99321026568 is an abundant number, since it is smaller than the sum of its proper divisors (148981539912).

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

99321026568 is a wasteful number, since it uses less digits than its factorization.

99321026568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4138376116 (or 4138376112 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 99321026568 in words is "ninety-nine billion, three hundred twenty-one million, twenty-six thousand, five hundred sixty-eight".