6656479342752 has 48 divisors (see below), whose sum is σ = 17530174503072. Its totient is φ = 2211598990080.

The previous prime is 6656479342699. The next prime is 6656479342771. The reversal of 6656479342752 is 2572439746566.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112899399 + ... + 112958342.

It is an arithmetic number, because the mean of its divisors is an integer number (365211968814).

Almost surely, 2^{6656479342752} is an apocalyptic number.

It is an amenable number.

6656479342752 is an abundant number, since it is smaller than the sum of its proper divisors (10873695160320).

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

6656479342752 is a wasteful number, since it uses less digits than its factorization.

6656479342752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225858061 (or 225858053 counting only the distinct ones).

The product of its digits is 457228800, while the sum is 66.

The spelling of 6656479342752 in words is "six trillion, six hundred fifty-six billion, four hundred seventy-nine million, three hundred forty-two thousand, seven hundred fifty-two".