266406124507 has 2 divisors, whose sum is σ = 266406124508. Its totient is φ = 266406124506.

The previous prime is 266406124493. The next prime is 266406124531. The reversal of 266406124507 is 705421604662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 266406124507 - 2²³ = 266397735899 is a prime.

It is not a weakly prime, because it can be changed into another prime (266406124547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133203062253 + 133203062254.

It is an arithmetic number, because the mean of its divisors is an integer number (133203062254).

Almost surely, 2^266406124507 is an apocalyptic number.

266406124507 is a deficient number, since it is larger than the sum of its proper divisors (1).

266406124507 is an equidigital number, since it uses as much as digits as its factorization.

266406124507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 266406124507 in words is "two hundred sixty-six billion, four hundred six million, one hundred twenty-four thousand, five hundred seven".