16979916 has 12 divisors (see below), whose sum is σ = 39619832. Its totient is φ = 5659968.

The previous prime is 16979903. The next prime is 16979933. The reversal of 16979916 is 61997961.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 707485 + ... + 707508.

Almost surely, 2^16979916 is an apocalyptic number.

It is an amenable number.

16979916 is an abundant number, since it is smaller than the sum of its proper divisors (22639916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16979916 is a wasteful number, since it uses less digits than its factorization.

16979916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415000 (or 1414998 counting only the distinct ones).

The product of its digits is 183708, while the sum is 48.

The square root of 16979916 is about 4120.6693631011. The cubic root of 16979916 is about 257.0268610864.

The spelling of 16979916 in words is "sixteen million, nine hundred seventy-nine thousand, nine hundred sixteen".