156432164 has 24 divisors (see below), whose sum is σ = 331269120. Its totient is φ = 63098496.

The previous prime is 156432163. The next prime is 156432197. The reversal of 156432164 is 461234651.

156432164 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 156432164.

It is not an unprimeable number, because it can be changed into a prime (156432161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163844 + ... + 164795.

It is an arithmetic number, because the mean of its divisors is an integer number (13802880).

Almost surely, 2^156432164 is an apocalyptic number.

156432164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

156432164 is an abundant number, since it is smaller than the sum of its proper divisors (174836956).

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

156432164 is a wasteful number, since it uses less digits than its factorization.

156432164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328667 (or 328665 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 156432164 is about 12507.2844374788. The cubic root of 156432164 is about 538.8179034536.

The spelling of 156432164 in words is "one hundred fifty-six million, four hundred thirty-two thousand, one hundred sixty-four".