3686166 has 24 divisors (see below), whose sum is σ = 8713224. Its totient is φ = 1116960.

The previous prime is 3686159. The next prime is 3686167. The reversal of 3686166 is 6616863.

3686166 is a `hidden beast` number, since 36 + 8 + 616 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 3686166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3686167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9111 + ... + 9506.

It is an arithmetic number, because the mean of its divisors is an integer number (363051).

Almost surely, 2^3686166 is an apocalyptic number.

3686166 is an abundant number, since it is smaller than the sum of its proper divisors (5027058).

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

3686166 is a wasteful number, since it uses less digits than its factorization.

3686166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18636 (or 18633 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 3686166 is about 1919.9390615329. The cubic root of 3686166 is about 154.4750328839.

The spelling of 3686166 in words is "three million, six hundred eighty-six thousand, one hundred sixty-six".