6666667666912 has 24 divisors (see below), whose sum is σ = 14318183967192. Its totient is φ = 3030303484800.

The previous prime is 6666667666909. The next prime is 6666667666961. The reversal of 6666667666912 is 2196667666666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9469698039 + ... + 9469698742.

It is an arithmetic number, because the mean of its divisors is an integer number (596590998633).

Almost surely, 2^{6666667666912} is an apocalyptic number.

It is an amenable number.

6666667666912 is an abundant number, since it is smaller than the sum of its proper divisors (7651516300280).

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

6666667666912 is a wasteful number, since it uses less digits than its factorization.

6666667666912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18939396802 (or 18939396794 counting only the distinct ones).

The product of its digits is 1269789696, while the sum is 73.

The spelling of 6666667666912 in words is "six trillion, six hundred sixty-six billion, six hundred sixty-seven million, six hundred sixty-six thousand, nine hundred twelve".