16716668 has 12 divisors (see below), whose sum is σ = 29339520. Its totient is φ = 8333952.

The previous prime is 16716659. The next prime is 16716671. The reversal of 16716668 is 86661761.

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, 4508 + ... + 7331.

It is an arithmetic number, because the mean of its divisors is an integer number (2444960).

Almost surely, 2^16716668 is an apocalyptic number.

It is an amenable number.

16716668 is a deficient number, since it is larger than the sum of its proper divisors (12622852).

16716668 is a wasteful number, since it uses less digits than its factorization.

16716668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12196 (or 12194 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 16716668 is about 4088.6022061335. The cubic root of 16716668 is about 255.6916657284.

The spelling of 16716668 in words is "sixteen million, seven hundred sixteen thousand, six hundred sixty-eight".