2108166 has 8 divisors (see below), whose sum is σ = 4216344. Its totient is φ = 702720.

The previous prime is 2108159. The next prime is 2108177. The reversal of 2108166 is 6618012.

It is a sphenic number, since it is the product of 3 distinct primes.

2108166 is an admirable number.

It is a Smith number, since the sum of its digits (24) 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 (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175675 + ... + 175686.

It is an arithmetic number, because the mean of its divisors is an integer number (527043).

2^2108166 is an apocalyptic number.

2108166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2108166 is a wasteful number, since it uses less digits than its factorization.

2108166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351366.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 2108166 is about 1451.9524785612. The cubic root of 2108166 is about 128.2236892628.

The spelling of 2108166 in words is "two million, one hundred eight thousand, one hundred sixty-six".