155664536104 has 64 divisors (see below), whose sum is σ = 367642719360. Its totient is φ = 60023255040.

The previous prime is 155664536087. The next prime is 155664536117. The reversal of 155664536104 is 401635466551.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1242837 + ... + 1362340.

It is an arithmetic number, because the mean of its divisors is an integer number (5744417490).

Almost surely, 2^155664536104 is an apocalyptic number.

155664536104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

155664536104 is an abundant number, since it is smaller than the sum of its proper divisors (211978183256).

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

155664536104 is a wasteful number, since it uses less digits than its factorization.

155664536104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605298 (or 2605294 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 155664536104 in words is "one hundred fifty-five billion, six hundred sixty-four million, five hundred thirty-six thousand, one hundred four".