16257172 has 12 divisors (see below), whose sum is σ = 28483840. Its totient is φ = 8118936.

The previous prime is 16257161. The next prime is 16257181. The reversal of 16257172 is 27175261.

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, 2479 + ... + 6217.

Almost surely, 2^16257172 is an apocalyptic number.

It is an amenable number.

16257172 is a deficient number, since it is larger than the sum of its proper divisors (12226668).

16257172 is a wasteful number, since it uses less digits than its factorization.

16257172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4830 (or 4828 counting only the distinct ones).

The product of its digits is 5880, while the sum is 31.

The square root of 16257172 is about 4032.0183531328. The cubic root of 16257172 is about 253.3271089576.

The spelling of 16257172 in words is "sixteen million, two hundred fifty-seven thousand, one hundred seventy-two".