6648595388072 has 32 divisors (see below), whose sum is σ = 13726496869920. Its totient is φ = 2993844987840.

The previous prime is 6648595388051. The next prime is 6648595388081. The reversal of 6648595388072 is 2708835958466.

It is a junction number, because it is equal to n+sod(n) for n = 6648595387987 and 6648595388005.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 353038343 + ... + 353057174.

It is an arithmetic number, because the mean of its divisors is an integer number (428953027185).

Almost surely, 2^{6648595388072} is an apocalyptic number.

It is an amenable number.

6648595388072 is an abundant number, since it is smaller than the sum of its proper divisors (7077901481848).

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

6648595388072 is a wasteful number, since it uses less digits than its factorization.

6648595388072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706095641 (or 706095637 counting only the distinct ones).

The product of its (nonzero) digits is 696729600, while the sum is 71.

The spelling of 6648595388072 in words is "six trillion, six hundred forty-eight billion, five hundred ninety-five million, three hundred eighty-eight thousand, seventy-two".