99390331361824 has 48 divisors (see below), whose sum is σ = 196561141934976. Its totient is φ = 49470370272000.

The previous prime is 99390331361821. The next prime is 99390331361833. The reversal of 99390331361824 is 42816313309399.

It is not an unprimeable number, because it can be changed into a prime (99390331361821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4531849 + ... + 14809399.

It is an arithmetic number, because the mean of its divisors is an integer number (4095023790312).

Almost surely, 2^{99390331361824} is an apocalyptic number.

It is an amenable number.

99390331361824 is a deficient number, since it is larger than the sum of its proper divisors (97170810573152).

99390331361824 is a wasteful number, since it uses less digits than its factorization.

99390331361824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10278929 (or 10278921 counting only the distinct ones).

The product of its (nonzero) digits is 22674816, while the sum is 61.

The spelling of 99390331361824 in words is "ninety-nine trillion, three hundred ninety billion, three hundred thirty-one million, three hundred sixty-one thousand, eight hundred twenty-four".