156644264 has 32 divisors (see below), whose sum is σ = 336139200. Its totient is φ = 67038720.

The previous prime is 156644261. The next prime is 156644287. The reversal of 156644264 is 462446651.

156644264 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (156644261) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 50519 + ... + 53529.

It is an arithmetic number, because the mean of its divisors is an integer number (10504350).

Almost surely, 2^156644264 is an apocalyptic number.

156644264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

156644264 is an abundant number, since it is smaller than the sum of its proper divisors (179494936).

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

156644264 is a wasteful number, since it uses less digits than its factorization.

156644264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3953 (or 3949 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

The square root of 156644264 is about 12515.7606241091. The cubic root of 156644264 is about 539.0613138934.

The spelling of 156644264 in words is "one hundred fifty-six million, six hundred forty-four thousand, two hundred sixty-four".