3656213452166 has 16 divisors (see below), whose sum is σ = 6110190374400. Its totient is φ = 1626555307080.

The previous prime is 3656213452097. The next prime is 3656213452189. The reversal of 3656213452166 is 6612543126563.

It is a Curzon 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, 1767993866 + ... + 1767995933.

It is an arithmetic number, because the mean of its divisors is an integer number (381886898400).

Almost surely, 2^{3656213452166} is an apocalyptic number.

3656213452166 is a deficient number, since it is larger than the sum of its proper divisors (2453976922234).

3656213452166 is a wasteful number, since it uses less digits than its factorization.

3656213452166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3535989859.

The product of its digits is 4665600, while the sum is 50.

The spelling of 3656213452166 in words is "three trillion, six hundred fifty-six billion, two hundred thirteen million, four hundred fifty-two thousand, one hundred sixty-six".