16943172 has 12 divisors (see below), whose sum is σ = 39534096. Its totient is φ = 5647720.

The previous prime is 16943167. The next prime is 16943219. The reversal of 16943172 is 27134961.

It is a tau number, because it is divible by the number of its divisors (12).

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, 705954 + ... + 705977.

It is an arithmetic number, because the mean of its divisors is an integer number (3294508).

Almost surely, 2^16943172 is an apocalyptic number.

16943172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16943172 is an abundant number, since it is smaller than the sum of its proper divisors (22590924).

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

16943172 is a wasteful number, since it uses less digits than its factorization.

16943172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411938 (or 1411936 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 16943172 is about 4116.2084495322. The cubic root of 16943172 is about 256.8413278659.

The spelling of 16943172 in words is "sixteen million, nine hundred forty-three thousand, one hundred seventy-two".