3166686868 has 12 divisors (see below), whose sum is σ = 5578895700. Its totient is φ = 1572716672.

The previous prime is 3166686811. The next prime is 3166686869. The reversal of 3166686868 is 8686866613.

It can be written as a sum of positive squares in 2 ways, for example, as 1146364164 + 2020322704 = 33858^2 + 44948^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3166686869) 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, 2656021 + ... + 2657212.

It is an arithmetic number, because the mean of its divisors is an integer number (464907975).

Almost surely, 2^3166686868 is an apocalyptic number.

It is an amenable number.

3166686868 is a deficient number, since it is larger than the sum of its proper divisors (2412208832).

3166686868 is a wasteful number, since it uses less digits than its factorization.

3166686868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5313386 (or 5313384 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 58.

The square root of 3166686868 is about 56273.3228803844. The cubic root of 3166686868 is about 1468.4811417992.

The spelling of 3166686868 in words is "three billion, one hundred sixty-six million, six hundred eighty-six thousand, eight hundred sixty-eight".