156923638512 has 20 divisors (see below), whose sum is σ = 405386066280. Its totient is φ = 52307879488.

The previous prime is 156923638481. The next prime is 156923638517. The reversal of 156923638512 is 215836329651.

It is a super-3 number, since 3×156923638512³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156923638517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1634621187 + ... + 1634621282.

It is an arithmetic number, because the mean of its divisors is an integer number (20269303314).

Almost surely, 2^156923638512 is an apocalyptic number.

156923638512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

156923638512 is an abundant number, since it is smaller than the sum of its proper divisors (248462427768).

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

156923638512 is a wasteful number, since it uses less digits than its factorization.

156923638512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3269242480 (or 3269242474 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 51.

The spelling of 156923638512 in words is "one hundred fifty-six billion, nine hundred twenty-three million, six hundred thirty-eight thousand, five hundred twelve".