163111672 has 16 divisors (see below), whose sum is σ = 306570600. Its totient is φ = 81359520.

The previous prime is 163111649. The next prime is 163111681. The reversal of 163111672 is 276111361.

It is a self number, because there is not a number n which added to its sum of digits gives 163111672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20979 + ... + 27682.

Almost surely, 2^163111672 is an apocalyptic number.

It is an amenable number.

163111672 is a deficient number, since it is larger than the sum of its proper divisors (143458928).

163111672 is a wasteful number, since it uses less digits than its factorization.

163111672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49086 (or 49082 counting only the distinct ones).

The product of its digits is 1512, while the sum is 28.

The square root of 163111672 is about 12771.5179990477. The cubic root of 163111672 is about 546.3802759934.

The spelling of 163111672 in words is "one hundred sixty-three million, one hundred eleven thousand, six hundred seventy-two".