6756668666576 has 10 divisors (see below), whose sum is σ = 13091045541522. Its totient is φ = 3378334333280.

The previous prime is 6756668666543. The next prime is 6756668666581.

6756668666576 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 3952048576576 + 2804620090000 = 1987976^2 + 1674700^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6756668666576.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211145895815 + ... + 211145895846.

Almost surely, 2^{6756668666576} is an apocalyptic number.

It is an amenable number.

6756668666576 is a deficient number, since it is larger than the sum of its proper divisors (6334376874946).

6756668666576 is a wasteful number, since it uses less digits than its factorization.

6756668666576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422291791669 (or 422291791663 counting only the distinct ones).

The product of its digits is 16460236800, while the sum is 80.

The spelling of 6756668666576 in words is "six trillion, seven hundred fifty-six billion, six hundred sixty-eight million, six hundred sixty-six thousand, five hundred seventy-six".