156551151612 has 24 divisors (see below), whose sum is σ = 365320354896. Its totient is φ = 52178812288.

The previous prime is 156551151593. The next prime is 156551151661. The reversal of 156551151612 is 216151155651.

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, 478953 + ... + 736544.

It is an arithmetic number, because the mean of its divisors is an integer number (15221681454).

Almost surely, 2^156551151612 is an apocalyptic number.

156551151612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

156551151612 is an abundant number, since it is smaller than the sum of its proper divisors (208769203284).

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

156551151612 is a wasteful number, since it uses less digits than its factorization.

156551151612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226237 (or 1226235 counting only the distinct ones).

The product of its digits is 45000, while the sum is 39.

The spelling of 156551151612 in words is "one hundred fifty-six billion, five hundred fifty-one million, one hundred fifty-one thousand, six hundred twelve".