156396423531726 has 24 divisors (see below), whose sum is σ = 387267334459824. Its totient is φ = 44684692437600.

The previous prime is 156396423531643. The next prime is 156396423531727. The reversal of 156396423531726 is 627135324693651.

156396423531726 is a `hidden beast` number, since 1 + 5 + 6 + 3 + 9 + 6 + 4 + 23 + 531 + 72 + 6 = 666.

156396423531726 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×156396423531726² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156396423531727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 620620728175 + ... + 620620728426.

It is an arithmetic number, because the mean of its divisors is an integer number (16136138935826).

Almost surely, 2^{156396423531726} is an apocalyptic number.

156396423531726 is an abundant number, since it is smaller than the sum of its proper divisors (230870910928098).

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

156396423531726 is a wasteful number, since it uses less digits than its factorization.

156396423531726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241241456616 (or 1241241456613 counting only the distinct ones).

The product of its digits is 146966400, while the sum is 63.

The spelling of 156396423531726 in words is "one hundred fifty-six trillion, three hundred ninety-six billion, four hundred twenty-three million, five hundred thirty-one thousand, seven hundred twenty-six".