16968916 has 24 divisors (see below), whose sum is σ = 30735936. Its totient is φ = 8191680.

The previous prime is 16968911. The next prime is 16968937. The reversal of 16968916 is 61986961.

It is a super-2 number, since 2×16968916² = 575888220430112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16968911) 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 7 ways as a sum of consecutive naturals, for example, 17065 + ... + 18031.

It is an arithmetic number, because the mean of its divisors is an integer number (1280664).

Almost surely, 2^16968916 is an apocalyptic number.

It is an amenable number.

16968916 is a deficient number, since it is larger than the sum of its proper divisors (13767020).

16968916 is a wasteful number, since it uses less digits than its factorization.

16968916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119 (or 1117 counting only the distinct ones).

The product of its digits is 139968, while the sum is 46.

The square root of 16968916 is about 4119.3344122564. The cubic root of 16968916 is about 256.9713463591.

The spelling of 16968916 in words is "sixteen million, nine hundred sixty-eight thousand, nine hundred sixteen".