6725791582664 has 32 divisors (see below), whose sum is σ = 15722629675200. Its totient is φ = 2620438278720.

The previous prime is 6725791582639. The next prime is 6725791582667. The reversal of 6725791582664 is 4662851975276.

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 6725791582594 and 6725791582603.

It is not an unprimeable number, because it can be changed into a prime (6725791582667) 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, 5459245799 + ... + 5459247030.

It is an arithmetic number, because the mean of its divisors is an integer number (491332177350).

Almost surely, 2^{6725791582664} is an apocalyptic number.

It is an amenable number.

6725791582664 is an abundant number, since it is smaller than the sum of its proper divisors (8996838092536).

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

6725791582664 is a wasteful number, since it uses less digits than its factorization.

6725791582664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10918492853 (or 10918492849 counting only the distinct ones).

The product of its digits is 304819200, while the sum is 68.

The spelling of 6725791582664 in words is "six trillion, seven hundred twenty-five billion, seven hundred ninety-one million, five hundred eighty-two thousand, six hundred sixty-four".