156639468 has 12 divisors (see below), whose sum is σ = 365492120. Its totient is φ = 52213152.

The previous prime is 156639443. The next prime is 156639481. The reversal of 156639468 is 864936651.

It is a tau number, because it is divible by the number of its divisors (12).

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, 6526633 + ... + 6526656.

Almost surely, 2^156639468 is an apocalyptic number.

It is an amenable number.

156639468 is an abundant number, since it is smaller than the sum of its proper divisors (208852652).

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

156639468 is a wasteful number, since it uses less digits than its factorization.

156639468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13053296 (or 13053294 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The square root of 156639468 is about 12515.5690242194. The cubic root of 156639468 is about 539.0558123312.

The spelling of 156639468 in words is "one hundred fifty-six million, six hundred thirty-nine thousand, four hundred sixty-eight".