99392521318 has 16 divisors (see below), whose sum is σ = 150219669600. Its totient is φ = 49319928000.

The previous prime is 99392521297. The next prime is 99392521321. The reversal of 99392521318 is 81312529399.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159928 + ... + 473668.

It is an arithmetic number, because the mean of its divisors is an integer number (9388729350).

Almost surely, 2^99392521318 is an apocalyptic number.

99392521318 is a deficient number, since it is larger than the sum of its proper divisors (50827148282).

99392521318 is a wasteful number, since it uses less digits than its factorization.

99392521318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314943.

The product of its digits is 1049760, while the sum is 52.

The spelling of 99392521318 in words is "ninety-nine billion, three hundred ninety-two million, five hundred twenty-one thousand, three hundred eighteen".