156389158056 has 32 divisors (see below), whose sum is σ = 391122907200. Its totient is φ = 52109717760.

The previous prime is 156389158033. The next prime is 156389158067. The reversal of 156389158056 is 650851983651.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 156389157987 and 156389158005.

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, 1186180 + ... + 1311411.

It is an arithmetic number, because the mean of its divisors is an integer number (12222590850).

Almost surely, 2^156389158056 is an apocalyptic number.

It is an amenable number.

156389158056 is an abundant number, since it is smaller than the sum of its proper divisors (234733749144).

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

156389158056 is a wasteful number, since it uses less digits than its factorization.

156389158056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500209 (or 2500205 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 57.

The spelling of 156389158056 in words is "one hundred fifty-six billion, three hundred eighty-nine million, one hundred fifty-eight thousand, fifty-six".