156002135664 has 40 divisors (see below), whose sum is σ = 403199249152. Its totient is φ = 51975714240.

The previous prime is 156002135659. The next prime is 156002135683. The reversal of 156002135664 is 466531200651.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680152 + ... + 880119.

Almost surely, 2^156002135664 is an apocalyptic number.

It is an amenable number.

156002135664 is an abundant number, since it is smaller than the sum of its proper divisors (247197113488).

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

156002135664 is a wasteful number, since it uses less digits than its factorization.

156002135664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562365 (or 1562359 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 156002135664 in words is "one hundred fifty-six billion, two million, one hundred thirty-five thousand, six hundred sixty-four".