156993168006 has 32 divisors (see below), whose sum is σ = 350231222880. Its totient is φ = 52127428608.

The previous prime is 156993167987. The next prime is 156993168041. The reversal of 156993168006 is 600861399651.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5642311 + ... + 5670066.

It is an arithmetic number, because the mean of its divisors is an integer number (10944725715).

Almost surely, 2^156993168006 is an apocalyptic number.

156993168006 is an abundant number, since it is smaller than the sum of its proper divisors (193238054874).

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

156993168006 is a wasteful number, since it uses less digits than its factorization.

156993168006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11312645 (or 11312639 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The spelling of 156993168006 in words is "one hundred fifty-six billion, nine hundred ninety-three million, one hundred sixty-eight thousand, six".