16680722 has 16 divisors (see below), whose sum is σ = 25542432. Its totient is φ = 8168160.

The previous prime is 16680701. The next prime is 16680731. The reversal of 16680722 is 22708661.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37433 + ... + 37875.

It is an arithmetic number, because the mean of its divisors is an integer number (1596402).

Almost surely, 2^16680722 is an apocalyptic number.

16680722 is a deficient number, since it is larger than the sum of its proper divisors (8861710).

16680722 is a wasteful number, since it uses less digits than its factorization.

16680722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793.

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

The square root of 16680722 is about 4084.2039616062. The cubic root of 16680722 is about 255.5082621859.

The spelling of 16680722 in words is "sixteen million, six hundred eighty thousand, seven hundred twenty-two".