163366172 has 24 divisors (see below), whose sum is σ = 296110080. Its totient is φ = 78812720.

The previous prime is 163366169. The next prime is 163366183. The reversal of 163366172 is 271663361.

163366172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 7229 + ... + 19467.

It is an arithmetic number, because the mean of its divisors is an integer number (12337920).

Almost surely, 2^163366172 is an apocalyptic number.

It is an amenable number.

163366172 is a deficient number, since it is larger than the sum of its proper divisors (132743908).

163366172 is a wasteful number, since it uses less digits than its factorization.

163366172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12361 (or 12359 counting only the distinct ones).

The product of its digits is 27216, while the sum is 35.

The square root of 163366172 is about 12781.4776923484. The cubic root of 163366172 is about 546.6642972004.

The spelling of 163366172 in words is "one hundred sixty-three million, three hundred sixty-six thousand, one hundred seventy-two".