16670166 has 16 divisors (see below), whose sum is σ = 35301744. Its totient is φ = 5229824.

The previous prime is 16670123. The next prime is 16670177. The reversal of 16670166 is 66107661.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81615 + ... + 81818.

It is an arithmetic number, because the mean of its divisors is an integer number (2206359).

Almost surely, 2^16670166 is an apocalyptic number.

16670166 is an abundant number, since it is smaller than the sum of its proper divisors (18631578).

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

16670166 is a wasteful number, since it uses less digits than its factorization.

16670166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163455.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 16670166 is about 4082.9114612002. The cubic root of 16670166 is about 255.4543533611.

It can be divided in two parts, 16670 and 166, that added together give a triangular number (16836 = T₁₈₃).

The spelling of 16670166 in words is "sixteen million, six hundred seventy thousand, one hundred sixty-six".