163312164 has 18 divisors (see below), whose sum is σ = 412816950. Its totient is φ = 54437376.

The previous prime is 163312159. The next prime is 163312187. The reversal of 163312164 is 461213361.

163312164 is a `hidden beast` number, since 1 + 633 + 1 + 21 + 6 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 136188900 + 27123264 = 11670^2 + 5208^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2268189 + ... + 2268260.

It is an arithmetic number, because the mean of its divisors is an integer number (22934275).

Almost surely, 2^163312164 is an apocalyptic number.

It is an amenable number.

163312164 is an abundant number, since it is smaller than the sum of its proper divisors (249504786).

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

163312164 is a wasteful number, since it uses less digits than its factorization.

163312164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4536459 (or 4536454 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 163312164 is about 12779.3647729455. The cubic root of 163312164 is about 546.6040491104.

The spelling of 163312164 in words is "one hundred sixty-three million, three hundred twelve thousand, one hundred sixty-four".