6666700340067 has 12 divisors (see below), whose sum is σ = 9206018229720. Its totient is φ = 4291209412672.

The previous prime is 6666700340063. The next prime is 6666700340093. The reversal of 6666700340067 is 7600430076666.

It is not a de Polignac number, because 6666700340067 - 2² = 6666700340063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6666700340063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1321182642 + ... + 1321187687.

It is an arithmetic number, because the mean of its divisors is an integer number (767168185810).

Almost surely, 2^{6666700340067} is an apocalyptic number.

6666700340067 is a deficient number, since it is larger than the sum of its proper divisors (2539317889653).

6666700340067 is a wasteful number, since it uses less digits than its factorization.

6666700340067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2642370390 (or 2642370361 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 51.

The spelling of 6666700340067 in words is "six trillion, six hundred sixty-six billion, seven hundred million, three hundred forty thousand, sixty-seven".