3081911668 has 12 divisors (see below), whose sum is σ = 5883649632. Its totient is φ = 1400868920.

The previous prime is 3081911659. The next prime is 3081911699. The reversal of 3081911668 is 8661191803.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35021680 + ... + 35021767.

It is an arithmetic number, because the mean of its divisors is an integer number (490304136).

Almost surely, 2^3081911668 is an apocalyptic number.

It is an amenable number.

3081911668 is a deficient number, since it is larger than the sum of its proper divisors (2801737964).

3081911668 is a wasteful number, since it uses less digits than its factorization.

3081911668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70043462 (or 70043460 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 3081911668 is about 55514.9679636042. The cubic root of 3081911668 is about 1455.2582243046.

The spelling of 3081911668 in words is "three billion, eighty-one million, nine hundred eleven thousand, six hundred sixty-eight".