6717366656 has 256 divisors, whose sum is σ = 18177868800. Its totient is φ = 2387681280.

The previous prime is 6717366583. The next prime is 6717366661. The reversal of 6717366656 is 6566637176.

It is a happy number.

It is a super-2 number, since 2×6717366656² = 90246029582281244672, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6717366598 and 6717366607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13196930 + ... + 13197438.

It is an arithmetic number, because the mean of its divisors is an integer number (71007300).

Almost surely, 2^6717366656 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 6717366656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9088934400).

6717366656 is an abundant number, since it is smaller than the sum of its proper divisors (11460502144).

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

6717366656 is a wasteful number, since it uses less digits than its factorization.

6717366656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657 (or 645 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 53.

The square root of 6717366656 is about 81959.5428000913. The cubic root of 6717366656 is about 1886.8310656534.

It can be divided in two parts, 6717 and 366656, that added together give a palindrome (373373).

The spelling of 6717366656 in words is "six billion, seven hundred seventeen million, three hundred sixty-six thousand, six hundred fifty-six".