16686968 has 16 divisors (see below), whose sum is σ = 31337280. Its totient is φ = 8330368.

The previous prime is 16686961. The next prime is 16687003. The reversal of 16686968 is 86968661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16686961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5696 + ... + 8112.

It is an arithmetic number, because the mean of its divisors is an integer number (1958580).

Almost surely, 2^16686968 is an apocalyptic number.

It is an amenable number.

16686968 is a deficient number, since it is larger than the sum of its proper divisors (14650312).

16686968 is a wasteful number, since it uses less digits than its factorization.

16686968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3286 (or 3282 counting only the distinct ones).

The product of its digits is 746496, while the sum is 50.

The square root of 16686968 is about 4084.9685433305. The cubic root of 16686968 is about 255.5401494038.

The spelling of 16686968 in words is "sixteen million, six hundred eighty-six thousand, nine hundred sixty-eight".