16117172 has 12 divisors (see below), whose sum is σ = 28284480. Its totient is φ = 8035896.

The previous prime is 16117151. The next prime is 16117253. The reversal of 16117172 is 27171161.

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, 4022 + ... + 6957.

It is an arithmetic number, because the mean of its divisors is an integer number (2357040).

Almost surely, 2^16117172 is an apocalyptic number.

It is an amenable number.

16117172 is a deficient number, since it is larger than the sum of its proper divisors (12167308).

16117172 is a wasteful number, since it uses less digits than its factorization.

16117172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11350 (or 11348 counting only the distinct ones).

The product of its digits is 588, while the sum is 26.

The square root of 16117172 is about 4014.6197827441. The cubic root of 16117172 is about 252.5978289679.

The spelling of 16117172 in words is "sixteen million, one hundred seventeen thousand, one hundred seventy-two".