6656755370544 has 120 divisors (see below), whose sum is σ = 19134473136272. Its totient is φ = 2158801113600.

The previous prime is 6656755370537. The next prime is 6656755370563. The reversal of 6656755370544 is 4450735576566.

6656755370544 is a `hidden beast` number, since 6 + 6 + 5 + 6 + 7 + 55 + 37 + 0 + 544 = 666.

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 23 ways as a sum of consecutive naturals, for example, 101055219 + ... + 101121069.

Almost surely, 2^{6656755370544} is an apocalyptic number.

It is an amenable number.

6656755370544 is an abundant number, since it is smaller than the sum of its proper divisors (12477717765728).

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

6656755370544 is a wasteful number, since it uses less digits than its factorization.

6656755370544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84875 (or 84866 counting only the distinct ones).

The product of its (nonzero) digits is 317520000, while the sum is 63.

The spelling of 6656755370544 in words is "six trillion, six hundred fifty-six billion, seven hundred fifty-five million, three hundred seventy thousand, five hundred forty-four".