156612020394 has 32 divisors (see below), whose sum is σ = 329897111040. Its totient is φ = 49467587312.

The previous prime is 156612020377. The next prime is 156612020449. The reversal of 156612020394 is 493020216651.

156612020394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5288364 + ... + 5317895.

It is an arithmetic number, because the mean of its divisors is an integer number (10309284720).

Almost surely, 2^156612020394 is an apocalyptic number.

156612020394 is an abundant number, since it is smaller than the sum of its proper divisors (173285090646).

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

156612020394 is a wasteful number, since it uses less digits than its factorization.

156612020394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10606394.

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 156612020394 in words is "one hundred fifty-six billion, six hundred twelve million, twenty thousand, three hundred ninety-four".