16979516 has 12 divisors (see below), whose sum is σ = 29840160. Its totient is φ = 8453760.

The previous prime is 16979503. The next prime is 16979531. The reversal of 16979516 is 61597961.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7925 + ... + 9836.

It is an arithmetic number, because the mean of its divisors is an integer number (2486680).

Almost surely, 2^16979516 is an apocalyptic number.

It is an amenable number.

16979516 is a deficient number, since it is larger than the sum of its proper divisors (12860644).

16979516 is a wasteful number, since it uses less digits than its factorization.

16979516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18004 (or 18002 counting only the distinct ones).

The product of its digits is 102060, while the sum is 44.

The square root of 16979516 is about 4120.6208270114. The cubic root of 16979516 is about 257.0248427892.

The spelling of 16979516 in words is "sixteen million, nine hundred seventy-nine thousand, five hundred sixteen".