104136157656 has 40 divisors (see below), whose sum is σ = 291677665620. Its totient is φ = 34712052336.

The previous prime is 104136157613. The next prime is 104136157693. The reversal of 104136157656 is 656751631401.

104136157656 is a `hidden beast` number, since 1 + 0 + 4 + 13 + 61 + 576 + 5 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 80351326 + ... + 80352621.

Almost surely, 2^104136157656 is an apocalyptic number.

It is an amenable number.

104136157656 is an abundant number, since it is smaller than the sum of its proper divisors (187541507964).

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

104136157656 is a wasteful number, since it uses less digits than its factorization.

104136157656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160703965 (or 160703952 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 104136157656 in words is "one hundred four billion, one hundred thirty-six million, one hundred fifty-seven thousand, six hundred fifty-six".