163364656 has 160 divisors (see below), whose sum is σ = 416223360. Its totient is φ = 60383232.

The previous prime is 163364639. The next prime is 163364683. The reversal of 163364656 is 656463361.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2237836 + ... + 2237908.

It is an arithmetic number, because the mean of its divisors is an integer number (2601396).

Almost surely, 2^163364656 is an apocalyptic number.

163364656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163364656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208111680).

163364656 is an abundant number, since it is smaller than the sum of its proper divisors (252858704).

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

163364656 is a wasteful number, since it uses less digits than its factorization.

163364656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 177 counting only the distinct ones).

The product of its digits is 233280, while the sum is 40.

The square root of 163364656 is about 12781.4183876438. The cubic root of 163364656 is about 546.6626062227.

The spelling of 163364656 in words is "one hundred sixty-three million, three hundred sixty-four thousand, six hundred fifty-six".