156401164 has 12 divisors (see below), whose sum is σ = 274276800. Its totient is φ = 78036368.

The previous prime is 156401159. The next prime is 156401171. The reversal of 156401164 is 461104651.

It is a super-2 number, since 2×156401164² = 48922648201109792, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38899 + ... + 42730.

It is an arithmetic number, because the mean of its divisors is an integer number (22856400).

Almost surely, 2^156401164 is an apocalyptic number.

It is an amenable number.

156401164 is a deficient number, since it is larger than the sum of its proper divisors (117875636).

156401164 is a wasteful number, since it uses less digits than its factorization.

156401164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82112 (or 82110 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 156401164 is about 12506.0450982715. The cubic root of 156401164 is about 538.7823087735.

The spelling of 156401164 in words is "one hundred fifty-six million, four hundred one thousand, one hundred sixty-four".