3661166 has 4 divisors (see below), whose sum is σ = 5491752. Its totient is φ = 1830582.

The previous prime is 3661157. The next prime is 3661181. The reversal of 3661166 is 6611663.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 915290 + ... + 915293.

It is an arithmetic number, because the mean of its divisors is an integer number (1372938).

Almost surely, 2^3661166 is an apocalyptic number.

3661166 is a deficient number, since it is larger than the sum of its proper divisors (1830586).

3661166 is a wasteful number, since it uses less digits than its factorization.

3661166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830585.

The product of its digits is 3888, while the sum is 29.

The square root of 3661166 is about 1913.4173616856. The cubic root of 3661166 is about 154.1250179516.

The spelling of 3661166 in words is "three million, six hundred sixty-one thousand, one hundred sixty-six".