16317975 has 12 divisors (see below), whose sum is σ = 26979176. Its totient is φ = 8702880.

The previous prime is 16317967. The next prime is 16317989. The reversal of 16317975 is 57971361.

It is not a de Polignac number, because 16317975 - 2³ = 16317967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108712 + ... + 108861.

Almost surely, 2^16317975 is an apocalyptic number.

16317975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16317975 is a deficient number, since it is larger than the sum of its proper divisors (10661201).

16317975 is a wasteful number, since it uses less digits than its factorization.

16317975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217586 (or 217581 counting only the distinct ones).

The product of its digits is 39690, while the sum is 39.

The square root of 16317975 is about 4039.5513364729. The cubic root of 16317975 is about 253.6425366176.

The spelling of 16317975 in words is "sixteen million, three hundred seventeen thousand, nine hundred seventy-five".