6666337879712 has 48 divisors (see below), whose sum is σ = 15881569663680. Its totient is φ = 2688943008768.

The previous prime is 6666337879711. The next prime is 6666337879781. The reversal of 6666337879712 is 2179787336666.

It is not an unprimeable number, because it can be changed into a prime (6666337879711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 875303162 + ... + 875310777.

It is an arithmetic number, because the mean of its divisors is an integer number (330866034660).

Almost surely, 2^{6666337879712} is an apocalyptic number.

It is an amenable number.

6666337879712 is an abundant number, since it is smaller than the sum of its proper divisors (9215231783968).

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

6666337879712 is a wasteful number, since it uses less digits than its factorization.

6666337879712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750613973 (or 1750613965 counting only the distinct ones).

The product of its digits is 576108288, while the sum is 71.

The spelling of 6666337879712 in words is "six trillion, six hundred sixty-six billion, three hundred thirty-seven million, eight hundred seventy-nine thousand, seven hundred twelve".