666022066207 has 2 divisors, whose sum is σ = 666022066208. Its totient is φ = 666022066206.

The previous prime is 666022066181. The next prime is 666022066249. The reversal of 666022066207 is 702660220666.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 666022066207 - 2¹⁹ = 666021541919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (666022061207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333011033103 + 333011033104.

It is an arithmetic number, because the mean of its divisors is an integer number (333011033104).

Almost surely, 2^666022066207 is an apocalyptic number.

666022066207 is a deficient number, since it is larger than the sum of its proper divisors (1).

666022066207 is an equidigital number, since it uses as much as digits as its factorization.

666022066207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 666022066207 in words is "six hundred sixty-six billion, twenty-two million, sixty-six thousand, two hundred seven".