163276872 has 64 divisors (see below), whose sum is σ = 454809600. Its totient is φ = 48421440.

The previous prime is 163276807. The next prime is 163276889. The reversal of 163276872 is 278672361.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5829 + ... + 18987.

It is an arithmetic number, because the mean of its divisors is an integer number (7106400).

Almost surely, 2^163276872 is an apocalyptic number.

163276872 is a gapful number since it is divisible by the number (12) 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 163276872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227404800).

163276872 is an abundant number, since it is smaller than the sum of its proper divisors (291532728).

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

163276872 is a wasteful number, since it uses less digits than its factorization.

163276872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13226 (or 13222 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 163276872 is about 12777.9838785311. The cubic root of 163276872 is about 546.5646722929.

The spelling of 163276872 in words is "one hundred sixty-three million, two hundred seventy-six thousand, eight hundred seventy-two".