6678317568 has 160 divisors (see below), whose sum is σ = 19283140800. Its totient is φ = 2053828608.

The previous prime is 6678317551. The next prime is 6678317599. The reversal of 6678317568 is 8657138766.

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 15 ways as a sum of consecutive naturals, for example, 3373603 + ... + 3375581.

It is an arithmetic number, because the mean of its divisors is an integer number (120519630).

Almost surely, 2^6678317568 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 6678317568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9641570400).

6678317568 is an abundant number, since it is smaller than the sum of its proper divisors (12604823232).

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

6678317568 is an equidigital number, since it uses as much as digits as its factorization.

6678317568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039 (or 1997 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 57.

The square root of 6678317568 is about 81720.9738561650. The cubic root of 6678317568 is about 1883.1678114762.

The spelling of 6678317568 in words is "six billion, six hundred seventy-eight million, three hundred seventeen thousand, five hundred sixty-eight".