6680806800672 has 96 divisors (see below), whose sum is σ = 17790223933440. Its totient is φ = 2194816682240.

The previous prime is 6680806800637. The next prime is 6680806800673. The reversal of 6680806800672 is 2760086080866.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (6680806800673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19865473 + ... + 20198975.

It is an arithmetic number, because the mean of its divisors is an integer number (185314832640).

Almost surely, 2^{6680806800672} 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 6680806800672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8895111966720).

6680806800672 is an abundant number, since it is smaller than the sum of its proper divisors (11109417132768).

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

6680806800672 is a wasteful number, since it uses less digits than its factorization.

6680806800672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336526 (or 336518 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 57.

The spelling of 6680806800672 in words is "six trillion, six hundred eighty billion, eight hundred six million, eight hundred thousand, six hundred seventy-two".