163256164 has 6 divisors (see below), whose sum is σ = 285698294. Its totient is φ = 81628080.

The previous prime is 163256147. The next prime is 163256179. The reversal of 163256164 is 461652361.

It can be written as a sum of positive squares in only one way, i.e., 143808064 + 19448100 = 11992^2 + 4410^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20407017 + ... + 20407024.

Almost surely, 2^163256164 is an apocalyptic number.

It is an amenable number.

163256164 is a deficient number, since it is larger than the sum of its proper divisors (122442130).

163256164 is a wasteful number, since it uses less digits than its factorization.

163256164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40814045 (or 40814043 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 163256164 is about 12777.1735528637. The cubic root of 163256164 is about 546.5415648362.

The spelling of 163256164 in words is "one hundred sixty-three million, two hundred fifty-six thousand, one hundred sixty-four".