6662566300464 has 100 divisors (see below), whose sum is σ = 19804572951504. Its totient is φ = 2160832298112.

The previous prime is 6662566300451. The next prime is 6662566300469. The reversal of 6662566300464 is 4640036652666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 6662566300464.

It is not an unprimeable number, because it can be changed into a prime (6662566300469) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 69423252 + ... + 69519155.

Almost surely, 2^{6662566300464} is an apocalyptic number.

It is an amenable number.

6662566300464 is an abundant number, since it is smaller than the sum of its proper divisors (13142006651040).

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

6662566300464 is a wasteful number, since it uses less digits than its factorization.

6662566300464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138942464 (or 138942449 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 54.

The spelling of 6662566300464 in words is "six trillion, six hundred sixty-two billion, five hundred sixty-six million, three hundred thousand, four hundred sixty-four".