266620602007 has 2 divisors, whose sum is σ = 266620602008. Its totient is φ = 266620602006.

The previous prime is 266620601971. The next prime is 266620602023. The reversal of 266620602007 is 700206026662.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-266620602007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266620602067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133310301003 + 133310301004.

It is an arithmetic number, because the mean of its divisors is an integer number (133310301004).

Almost surely, 2^266620602007 is an apocalyptic number.

266620602007 is a deficient number, since it is larger than the sum of its proper divisors (1).

266620602007 is an equidigital number, since it uses as much as digits as its factorization.

266620602007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 37.

Adding to 266620602007 its reverse (700206026662), we get a palindrome (966826628669).

The spelling of 266620602007 in words is "two hundred sixty-six billion, six hundred twenty million, six hundred two thousand, seven".