16720682 has 16 divisors (see below), whose sum is σ = 27693792. Its totient is φ = 7507920.

The previous prime is 16720681. The next prime is 16720699. The reversal of 16720682 is 28602761.

It is not an unprimeable number, because it can be changed into a prime (16720681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2753 + ... + 6404.

It is an arithmetic number, because the mean of its divisors is an integer number (1730862).

Almost surely, 2^16720682 is an apocalyptic number.

16720682 is a deficient number, since it is larger than the sum of its proper divisors (10973110).

16720682 is a wasteful number, since it uses less digits than its factorization.

16720682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9253.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 16720682 is about 4089.0930534778. The cubic root of 16720682 is about 255.7121296193.

The spelling of 16720682 in words is "sixteen million, seven hundred twenty thousand, six hundred eighty-two".