100990662804 has 18 divisors (see below), whose sum is σ = 255281953290. Its totient is φ = 33663554256.

The previous prime is 100990662743. The next prime is 100990662833. The reversal of 100990662804 is 408266099001.

It is a happy number.

100990662804 is a `hidden beast` number, since 10 + 0 + 9 + 9 + 0 + 6 + 628 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 55065315600 + 45925347204 = 234660^2 + 214302^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×100990662804² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100990662804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1402648059 + ... + 1402648130.

Almost surely, 2^100990662804 is an apocalyptic number.

It is an amenable number.

100990662804 is an abundant number, since it is smaller than the sum of its proper divisors (154291290486).

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

100990662804 is a wasteful number, since it uses less digits than its factorization.

100990662804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805296199 (or 2805296194 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 100990662804 in words is "one hundred billion, nine hundred ninety million, six hundred sixty-two thousand, eight hundred four".