100991162724 has 24 divisors (see below), whose sum is σ = 235727976960. Its totient is φ = 33652016544.

The previous prime is 100991162719. The next prime is 100991162759. The reversal of 100991162724 is 427261199001.

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, 1427059 + ... + 1496154.

It is an arithmetic number, because the mean of its divisors is an integer number (9821999040).

Almost surely, 2^100991162724 is an apocalyptic number.

It is an amenable number.

100991162724 is an abundant number, since it is smaller than the sum of its proper divisors (134736814236).

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

100991162724 is a wasteful number, since it uses less digits than its factorization.

100991162724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2926099 (or 2926097 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The spelling of 100991162724 in words is "one hundred billion, nine hundred ninety-one million, one hundred sixty-two thousand, seven hundred twenty-four".