163856132 has 24 divisors (see below), whose sum is σ = 331218720. Its totient is φ = 70098560.

The previous prime is 163856123. The next prime is 163856179. The reversal of 163856132 is 231658361.

It is a junction number, because it is equal to n+sod(n) for n = 163856092 and 163856101.

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, 108782 + ... + 110277.

It is an arithmetic number, because the mean of its divisors is an integer number (13800780).

Almost surely, 2^163856132 is an apocalyptic number.

It is an amenable number.

163856132 is an abundant number, since it is smaller than the sum of its proper divisors (167362588).

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

163856132 is a wasteful number, since it uses less digits than its factorization.

163856132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219091 (or 219089 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 163856132 is about 12800.6301407392. The cubic root of 163856132 is about 547.2102615476.

The spelling of 163856132 in words is "one hundred sixty-three million, eight hundred fifty-six thousand, one hundred thirty-two".