16680790 has 32 divisors (see below), whose sum is σ = 35426304. Its totient is φ = 5533920.

The previous prime is 16680787. The next prime is 16680793. The reversal of 16680790 is 9708661.

It is an interprime number because it is at equal distance from previous prime (16680787) and next prime (16680793).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16680793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1674 + ... + 6013.

It is an arithmetic number, because the mean of its divisors is an integer number (1107072).

Almost surely, 2^16680790 is an apocalyptic number.

16680790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16680790 is an abundant number, since it is smaller than the sum of its proper divisors (18745514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16680790 is a wasteful number, since it uses less digits than its factorization.

16680790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7732.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 16680790 is about 4084.2122863534. The cubic root of 16680790 is about 255.5086093838.

The spelling of 16680790 in words is "sixteen million, six hundred eighty thousand, seven hundred ninety".