6667340666664 has 32 divisors (see below), whose sum is σ = 16688904553440. Its totient is φ = 2219706504000.

The previous prime is 6667340666641. The next prime is 6667340666713. The reversal of 6667340666664 is 4666660437666.

It is a junction number, because it is equal to n+sod(n) for n = 6667340666595 and 6667340666604.

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 7 ways as a sum of consecutive naturals, for example, 171254187 + ... + 171293114.

It is an arithmetic number, because the mean of its divisors is an integer number (521528267295).

Almost surely, 2^{6667340666664} is an apocalyptic number.

It is an amenable number.

6667340666664 is an abundant number, since it is smaller than the sum of its proper divisors (10021563886776).

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

6667340666664 is a wasteful number, since it uses less digits than its factorization.

6667340666664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342548121 (or 342548117 counting only the distinct ones).

The product of its (nonzero) digits is 564350976, while the sum is 66.

The spelling of 6667340666664 in words is "six trillion, six hundred sixty-seven billion, three hundred forty million, six hundred sixty-six thousand, six hundred sixty-four".