3161662684 has 12 divisors (see below), whose sum is σ = 5667859008. Its totient is φ = 1542274400.

The previous prime is 3161662661. The next prime is 3161662697. The reversal of 3161662684 is 4862661613.

It is a happy number.

It is a super-2 number, since 2×3161662684² = 19992221854796167712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3161662684.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9639052 + ... + 9639379.

It is an arithmetic number, because the mean of its divisors is an integer number (472321584).

Almost surely, 2^3161662684 is an apocalyptic number.

It is an amenable number.

3161662684 is a deficient number, since it is larger than the sum of its proper divisors (2506196324).

3161662684 is a wasteful number, since it uses less digits than its factorization.

3161662684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19278476 (or 19278474 counting only the distinct ones).

The product of its digits is 248832, while the sum is 43.

The square root of 3161662684 is about 56228.6642558758. The cubic root of 3161662684 is about 1467.7041125696.

The spelling of 3161662684 in words is "three billion, one hundred sixty-one million, six hundred sixty-two thousand, six hundred eighty-four".