6311295668 has 12 divisors (see below), whose sum is σ = 11045916420. Its totient is φ = 3155319552.

The previous prime is 6311295659. The next prime is 6311295677. The reversal of 6311295668 is 8665921136.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6311295659) and next prime (6311295677).

It can be written as a sum of positive squares in 2 ways, for example, as 4010942224 + 2300353444 = 63332^2 + 47962^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35933 + ... + 117956.

It is an arithmetic number, because the mean of its divisors is an integer number (920493035).

Almost surely, 2^6311295668 is an apocalyptic number.

It is an amenable number.

6311295668 is a deficient number, since it is larger than the sum of its proper divisors (4734620752).

6311295668 is a wasteful number, since it uses less digits than its factorization.

6311295668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164146 (or 164144 counting only the distinct ones).

The product of its digits is 466560, while the sum is 47.

The square root of 6311295668 is about 79443.6634855166. The cubic root of 6311295668 is about 1848.0179081147.

The spelling of 6311295668 in words is "six billion, three hundred eleven million, two hundred ninety-five thousand, six hundred sixty-eight".