16816975 has 12 divisors (see below), whose sum is σ = 23832304. Its totient is φ = 11531520.

The previous prime is 16816951. The next prime is 16816991. The reversal of 16816975 is 57961861.

It is a happy number.

It is not a de Polignac number, because 16816975 - 2¹³ = 16808783 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47874 + ... + 48223.

Almost surely, 2^16816975 is an apocalyptic number.

16816975 is a deficient number, since it is larger than the sum of its proper divisors (7015329).

16816975 is an equidigital number, since it uses as much as digits as its factorization.

16816975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96114 (or 96109 counting only the distinct ones).

The product of its digits is 90720, while the sum is 43.

The square root of 16816975 is about 4100.8505215382. The cubic root of 16816975 is about 256.2020651960.

The spelling of 16816975 in words is "sixteen million, eight hundred sixteen thousand, nine hundred seventy-five".