16690875 has 32 divisors (see below), whose sum is σ = 28394496. Its totient is φ = 8703200.

The previous prime is 16690829. The next prime is 16690897. The reversal of 16690875 is 57809661.

It is not a de Polignac number, because 16690875 - 2⁹ = 16690363 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17152 + ... + 18098.

It is an arithmetic number, because the mean of its divisors is an integer number (887328).

Almost surely, 2^16690875 is an apocalyptic number.

16690875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16690875 is a deficient number, since it is larger than the sum of its proper divisors (11703621).

16690875 is an equidigital number, since it uses as much as digits as its factorization.

16690875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012 (or 1002 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 16690875 is about 4085.4467319988. The cubic root of 16690875 is about 255.5600914619.

The spelling of 16690875 in words is "sixteen million, six hundred ninety thousand, eight hundred seventy-five".