16808313 has 16 divisors (see below), whose sum is σ = 23728320. Its totient is φ = 10565184.

The previous prime is 16808299. The next prime is 16808321. The reversal of 16808313 is 31380861.

It is not a de Polignac number, because 16808313 - 2⁹ = 16807801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16808353) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1495 + ... + 5987.

It is an arithmetic number, because the mean of its divisors is an integer number (1483020).

Almost surely, 2^16808313 is an apocalyptic number.

It is an amenable number.

16808313 is a deficient number, since it is larger than the sum of its proper divisors (6920007).

16808313 is a wasteful number, since it uses less digits than its factorization.

16808313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4568.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 16808313 is about 4099.7942631308. The cubic root of 16808313 is about 256.1580698991.

The spelling of 16808313 in words is "sixteen million, eight hundred eight thousand, three hundred thirteen".