156971408232 has 32 divisors (see below), whose sum is σ = 396837835200. Its totient is φ = 51735894144.

The previous prime is 156971408207. The next prime is 156971408239. The reversal of 156971408232 is 232804179651.

It is a super-3 number, since 3×156971408232³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (156971408239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36742108 + ... + 36746379.

It is an arithmetic number, because the mean of its divisors is an integer number (12401182350).

It is a 1-persistent number, because it is pandigital, but 2⋅156971408232 = 313942816464 is not.

Almost surely, 2^156971408232 is an apocalyptic number.

156971408232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

156971408232 is an abundant number, since it is smaller than the sum of its proper divisors (239866426968).

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

156971408232 is a wasteful number, since it uses less digits than its factorization.

156971408232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73488585 (or 73488581 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 156971408232 in words is "one hundred fifty-six billion, nine hundred seventy-one million, four hundred eight thousand, two hundred thirty-two".