157667208564 has 12 divisors (see below), whose sum is σ = 367890153344. Its totient is φ = 52555736184.

The previous prime is 157667208547. The next prime is 157667208607. The reversal of 157667208564 is 465802766751.

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

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, 6569467012 + ... + 6569467035.

Almost surely, 2^157667208564 is an apocalyptic number.

It is an amenable number.

157667208564 is an abundant number, since it is smaller than the sum of its proper divisors (210222944780).

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

157667208564 is a wasteful number, since it uses less digits than its factorization.

157667208564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13138934054 (or 13138934052 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 57.

The spelling of 157667208564 in words is "one hundred fifty-seven billion, six hundred sixty-seven million, two hundred eight thousand, five hundred sixty-four".