16317668 has 12 divisors (see below), whose sum is σ = 28683312. Its totient is φ = 8122440.

The previous prime is 16317667. The next prime is 16317677. The reversal of 16317668 is 86671361.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (16317667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8078 + ... + 9893.

It is an arithmetic number, because the mean of its divisors is an integer number (2390276).

Almost surely, 2^16317668 is an apocalyptic number.

It is an amenable number.

16317668 is a deficient number, since it is larger than the sum of its proper divisors (12365644).

16317668 is a wasteful number, since it uses less digits than its factorization.

16317668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18202 (or 18200 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 16317668 is about 4039.5133370246. The cubic root of 16317668 is about 253.6409459638.

The spelling of 16317668 in words is "sixteen million, three hundred seventeen thousand, six hundred sixty-eight".