16313885 has 16 divisors (see below), whose sum is σ = 22450176. Its totient is φ = 11148288.

The previous prime is 16313879. The next prime is 16313893. The reversal of 16313885 is 58831361.

It is a cyclic number.

It is not a de Polignac number, because 16313885 - 2¹⁸ = 16051741 is a prime.

It is a super-2 number, since 2×16313885² = 532285687586450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12797 + ... + 14013.

It is an arithmetic number, because the mean of its divisors is an integer number (1403136).

Almost surely, 2^16313885 is an apocalyptic number.

It is an amenable number.

16313885 is a deficient number, since it is larger than the sum of its proper divisors (6136291).

16313885 is a wasteful number, since it uses less digits than its factorization.

16313885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612.

The product of its digits is 17280, while the sum is 35.

The square root of 16313885 is about 4039.0450604072. The cubic root of 16313885 is about 253.6213435333.

The spelling of 16313885 in words is "sixteen million, three hundred thirteen thousand, eight hundred eighty-five".