3166556660 has 12 divisors (see below), whose sum is σ = 6649769028. Its totient is φ = 1266622656.

The previous prime is 3166556651. The next prime is 3166556669. The reversal of 3166556660 is 666556613.

It is an interprime number because it is at equal distance from previous prime (3166556651) and next prime (3166556669).

It can be written as a sum of positive squares in 2 ways, for example, as 898320784 + 2268235876 = 29972^2 + 47626^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3166556669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79163897 + ... + 79163936.

It is an arithmetic number, because the mean of its divisors is an integer number (554147419).

Almost surely, 2^3166556660 is an apocalyptic number.

It is an amenable number.

3166556660 is an abundant number, since it is smaller than the sum of its proper divisors (3483212368).

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

3166556660 is a wasteful number, since it uses less digits than its factorization.

3166556660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158327842 (or 158327840 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 44.

The square root of 3166556660 is about 56272.1659437417. The cubic root of 3166556660 is about 1468.4610144946.

The spelling of 3166556660 in words is "three billion, one hundred sixty-six million, five hundred fifty-six thousand, six hundred sixty".