163232256 has 80 divisors (see below), whose sum is σ = 474442848. Its totient is φ = 49459200.

The previous prime is 163232239. The next prime is 163232273. The reversal of 163232256 is 652232361.

It is an interprime number because it is at equal distance from previous prime (163232239) and next prime (163232273).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12066 + ... + 21726.

Almost surely, 2^163232256 is an apocalyptic number.

163232256 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 163232256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237221424).

163232256 is an abundant number, since it is smaller than the sum of its proper divisors (311210592).

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

163232256 is an equidigital number, since it uses as much as digits as its factorization.

163232256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9693 (or 9677 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 163232256 is about 12776.2379439333. The cubic root of 163232256 is about 546.5148841618.

The spelling of 163232256 in words is "one hundred sixty-three million, two hundred thirty-two thousand, two hundred fifty-six".