266946946936207 has 2 divisors, whose sum is σ = 266946946936208. Its totient is φ = 266946946936206.

The previous prime is 266946946936127. The next prime is 266946946936309. The reversal of 266946946936207 is 702639649649662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 266946946936207 - 2¹¹ = 266946946934159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266946946936907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133473473468103 + 133473473468104.

It is an arithmetic number, because the mean of its divisors is an integer number (133473473468104).

Almost surely, 2^{266946946936207} is an apocalyptic number.

266946946936207 is a deficient number, since it is larger than the sum of its proper divisors (1).

266946946936207 is an equidigital number, since it uses as much as digits as its factorization.

266946946936207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7618738176, while the sum is 79.

The spelling of 266946946936207 in words is "two hundred sixty-six trillion, nine hundred forty-six billion, nine hundred forty-six million, nine hundred thirty-six thousand, two hundred seven".