3665166 has 16 divisors (see below), whose sum is σ = 7761744. Its totient is φ = 1149824.

The previous prime is 3665159. The next prime is 3665171. The reversal of 3665166 is 6615663.

It is an Ulam number.

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, 17865 + ... + 18068.

It is an arithmetic number, because the mean of its divisors is an integer number (485109).

Almost surely, 2^3665166 is an apocalyptic number.

3665166 is an abundant number, since it is smaller than the sum of its proper divisors (4096578).

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

3665166 is a wasteful number, since it uses less digits than its factorization.

3665166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35955.

The product of its digits is 19440, while the sum is 33.

The square root of 3665166 is about 1914.4623266077. The cubic root of 3665166 is about 154.1811271884.

The spelling of 3665166 in words is "three million, six hundred sixty-five thousand, one hundred sixty-six".