16968986 has 16 divisors (see below), whose sum is σ = 26841024. Its totient is φ = 8029824.

The previous prime is 16968983. The next prime is 16969003. The reversal of 16968986 is 68986961.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16968983) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2561 + ... + 6363.

It is an arithmetic number, because the mean of its divisors is an integer number (1677564).

Almost surely, 2^16968986 is an apocalyptic number.

16968986 is a deficient number, since it is larger than the sum of its proper divisors (9872038).

16968986 is a wasteful number, since it uses less digits than its factorization.

16968986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3925.

The product of its digits is 1119744, while the sum is 53.

The square root of 16968986 is about 4119.3429087659. The cubic root of 16968986 is about 256.9716997104.

The spelling of 16968986 in words is "sixteen million, nine hundred sixty-eight thousand, nine hundred eighty-six".