6315665136 has 40 divisors (see below), whose sum is σ = 17798694144. Its totient is φ = 1913837760.

The previous prime is 6315665077. The next prime is 6315665141.

6315665136 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×6315665136² = 79775252220171796992, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 5980216 + ... + 5981271.

Almost surely, 2^6315665136 is an apocalyptic number.

6315665136 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6315665136 is an abundant number, since it is smaller than the sum of its proper divisors (11483029008).

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

6315665136 is a wasteful number, since it uses less digits than its factorization.

6315665136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11961509 (or 11961503 counting only the distinct ones).

The product of its digits is 291600, while the sum is 42.

The square root of 6315665136 is about 79471.1591459443. The cubic root of 6315665136 is about 1848.4442860873. Note that the first 3 decimals are identical.

The spelling of 6315665136 in words is "six billion, three hundred fifteen million, six hundred sixty-five thousand, one hundred thirty-six".