156424664 has 16 divisors (see below), whose sum is σ = 319959720. Its totient is φ = 71102080.

The previous prime is 156424651. The next prime is 156424687. The reversal of 156424664 is 466424651.

156424664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 888689 + ... + 888864.

Almost surely, 2^156424664 is an apocalyptic number.

It is an amenable number.

156424664 is an abundant number, since it is smaller than the sum of its proper divisors (163535056).

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

156424664 is a wasteful number, since it uses less digits than its factorization.

156424664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777570 (or 1777566 counting only the distinct ones).

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

The square root of 156424664 is about 12506.9846086097. The cubic root of 156424664 is about 538.8092922687.

The spelling of 156424664 in words is "one hundred fifty-six million, four hundred twenty-four thousand, six hundred sixty-four".