6680567808 has 252 divisors, whose sum is σ = 20448539748. Its totient is φ = 2101248000.

The previous prime is 6680567807. The next prime is 6680567837. The reversal of 6680567808 is 8087650866.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6680567807) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 26615683 + ... + 26615933.

It is an arithmetic number, because the mean of its divisors is an integer number (81144999).

Almost surely, 2^6680567808 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 6680567808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10224269874).

6680567808 is an abundant number, since it is smaller than the sum of its proper divisors (13767971940).

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

6680567808 is a wasteful number, since it uses less digits than its factorization.

6680567808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The square root of 6680567808 is about 81734.7405207847. The cubic root of 6680567808 is about 1883.3792970605.

The spelling of 6680567808 in words is "six billion, six hundred eighty million, five hundred sixty-seven thousand, eight hundred eight".