163290164 has 12 divisors (see below), whose sum is σ = 285960864. Its totient is φ = 81587064.

The previous prime is 163290137. The next prime is 163290181. The reversal of 163290164 is 461092361.

It is a self number, because there is not a number n which added to its sum of digits gives 163290164.

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, 7832 + ... + 19695.

It is an arithmetic number, because the mean of its divisors is an integer number (23830072).

Almost surely, 2^163290164 is an apocalyptic number.

It is an amenable number.

163290164 is a deficient number, since it is larger than the sum of its proper divisors (122670700).

163290164 is a wasteful number, since it uses less digits than its factorization.

163290164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29014 (or 29012 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 163290164 is about 12778.5039812961. The cubic root of 163290164 is about 546.5795034207.

The spelling of 163290164 in words is "one hundred sixty-three million, two hundred ninety thousand, one hundred sixty-four".