16680622 has 16 divisors (see below), whose sum is σ = 28781280. Its totient is φ = 7102368.

The previous prime is 16680619. The next prime is 16680649. The reversal of 16680622 is 22608661.

16680622 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1597 + ... + 5992.

It is an arithmetic number, because the mean of its divisors is an integer number (1798830).

Almost surely, 2^16680622 is an apocalyptic number.

16680622 is a deficient number, since it is larger than the sum of its proper divisors (12100658).

16680622 is a wasteful number, since it uses less digits than its factorization.

16680622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7755.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 16680622 is about 4084.1917193002. The cubic root of 16680622 is about 255.5077515989.

The spelling of 16680622 in words is "sixteen million, six hundred eighty thousand, six hundred twenty-two".