155663152164 has 96 divisors (see below), whose sum is σ = 434715456000. Its totient is φ = 47885292288.

The previous prime is 155663152159. The next prime is 155663152199. The reversal of 155663152164 is 461251366551.

155663152164 is a `hidden beast` number, since 1 + 5 + 5 + 6 + 63 + 1 + 521 + 64 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7738632 + ... + 7758720.

It is an arithmetic number, because the mean of its divisors is an integer number (4528286000).

Almost surely, 2^155663152164 is an apocalyptic number.

It is an amenable number.

155663152164 is an abundant number, since it is smaller than the sum of its proper divisors (279052303836).

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

155663152164 is a wasteful number, since it uses less digits than its factorization.

155663152164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25634 (or 25626 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The spelling of 155663152164 in words is "one hundred fifty-five billion, six hundred sixty-three million, one hundred fifty-two thousand, one hundred sixty-four".