162506747664 has 120 divisors (see below), whose sum is σ = 492143625792. Its totient is φ = 51813717120.

The previous prime is 162506747653. The next prime is 162506747707. The reversal of 162506747664 is 466747605261.

162506747664 is a `hidden beast` number, since 1 + 6 + 2 + 50 + 67 + 476 + 64 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 162506747664.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 819207 + ... + 998054.

Almost surely, 2^162506747664 is an apocalyptic number.

It is an amenable number.

162506747664 is an abundant number, since it is smaller than the sum of its proper divisors (329636878128).

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

162506747664 is a wasteful number, since it uses less digits than its factorization.

162506747664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817307 (or 1817289 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 54.

The spelling of 162506747664 in words is "one hundred sixty-two billion, five hundred six million, seven hundred forty-seven thousand, six hundred sixty-four".