100188835864 has 32 divisors (see below), whose sum is σ = 204741799920. Its totient is φ = 45683876736.

The previous prime is 100188835823. The next prime is 100188835931. The reversal of 100188835864 is 468538881001.

It is a Harshad number since it is a multiple of its sum of digits (52).

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, 5794707 + ... + 5811970.

Almost surely, 2^100188835864 is an apocalyptic number.

It is an amenable number.

100188835864 is an abundant number, since it is smaller than the sum of its proper divisors (104552964056).

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

100188835864 is a wasteful number, since it uses less digits than its factorization.

100188835864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11606779 (or 11606775 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 52.

The spelling of 100188835864 in words is "one hundred billion, one hundred eighty-eight million, eight hundred thirty-five thousand, eight hundred sixty-four".