6568118656 has 64 divisors (see below), whose sum is σ = 14622748560. Its totient is φ = 2912665600.

The previous prime is 6568118653. The next prime is 6568118659.

6568118656 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (6568118653) and next prime (6568118659).

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6568118653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 840 + ... + 114616.

Almost surely, 2^6568118656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6568118656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7311374280).

6568118656 is an abundant number, since it is smaller than the sum of its proper divisors (8054629904).

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

6568118656 is a wasteful number, since it uses less digits than its factorization.

6568118656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113843 (or 113831 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 52.

The square root of 6568118656 is about 81043.9304081435. The cubic root of 6568118656 is about 1872.7522605497.

The spelling of 6568118656 in words is "six billion, five hundred sixty-eight million, one hundred eighteen thousand, six hundred fifty-six".