16806670 has 16 divisors (see below), whose sum is σ = 30618000. Its totient is φ = 6641344.

The previous prime is 16806667. The next prime is 16806707. The reversal of 16806670 is 7660861.

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, 9295 + ... + 10954.

It is an arithmetic number, because the mean of its divisors is an integer number (1913625).

Almost surely, 2^16806670 is an apocalyptic number.

16806670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16806670 is a deficient number, since it is larger than the sum of its proper divisors (13811330).

16806670 is a wasteful number, since it uses less digits than its factorization.

16806670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20339.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 16806670 is about 4099.5938823254. The cubic root of 16806670 is about 256.1497232074.

The spelling of 16806670 in words is "sixteen million, eight hundred six thousand, six hundred seventy".