156557002160120 has 64 divisors (see below), whose sum is σ = 368522346729600. Its totient is φ = 59795512990720.

The previous prime is 156557002160081. The next prime is 156557002160129. The reversal of 156557002160120 is 21061200755651.

It is a super-2 number, since 2×156557002160120² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156557002160129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1015471715 + ... + 1015625874.

It is an arithmetic number, because the mean of its divisors is an integer number (5758161667650).

Almost surely, 2^{156557002160120} is an apocalyptic number.

156557002160120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156557002160120 is an abundant number, since it is smaller than the sum of its proper divisors (211965344569480).

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

156557002160120 is a wasteful number, since it uses less digits than its factorization.

156557002160120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031097688 (or 2031097684 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 41.

The spelling of 156557002160120 in words is "one hundred fifty-six trillion, five hundred fifty-seven billion, two million, one hundred sixty thousand, one hundred twenty".