156242693232 has 320 divisors, whose sum is σ = 467166528000. Its totient is φ = 49966405632.

The previous prime is 156242693209. The next prime is 156242693263. The reversal of 156242693232 is 232396242651.

156242693232 is a `hidden beast` number, since 1 + 5 + 62 + 4 + 269 + 323 + 2 = 666.

156242693232 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 274591444 + ... + 274592012.

It is an arithmetic number, because the mean of its divisors is an integer number (1459895400).

Almost surely, 2^156242693232 is an apocalyptic number.

156242693232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156242693232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233583264000).

156242693232 is an abundant number, since it is smaller than the sum of its proper divisors (310923834768).

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

156242693232 is a wasteful number, since it uses less digits than its factorization.

156242693232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885 (or 873 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The spelling of 156242693232 in words is "one hundred fifty-six billion, two hundred forty-two million, six hundred ninety-three thousand, two hundred thirty-two".