163157864 has 64 divisors (see below), whose sum is σ = 336436800. Its totient is φ = 73903104.

The previous prime is 163157843. The next prime is 163157879. The reversal of 163157864 is 468751361.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376592 + ... + 377024.

It is an arithmetic number, because the mean of its divisors is an integer number (5256825).

Almost surely, 2^163157864 is an apocalyptic number.

It is an amenable number.

163157864 is an abundant number, since it is smaller than the sum of its proper divisors (173278936).

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

163157864 is a wasteful number, since it uses less digits than its factorization.

163157864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562 (or 558 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 163157864 is about 12773.3262700050. The cubic root of 163157864 is about 546.4318480551.

It can be divided in two parts, 1631 and 57864, that added together give a palindrome (59495).

The spelling of 163157864 in words is "one hundred sixty-three million, one hundred fifty-seven thousand, eight hundred sixty-four".