660605272759 has 2 divisors, whose sum is σ = 660605272760. Its totient is φ = 660605272758.

The previous prime is 660605272751. The next prime is 660605272813. The reversal of 660605272759 is 957272506066.

660605272759 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 660605272759 - 2³ = 660605272751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (660605272751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330302636379 + 330302636380.

It is an arithmetic number, because the mean of its divisors is an integer number (330302636380).

Almost surely, 2^660605272759 is an apocalyptic number.

660605272759 is a deficient number, since it is larger than the sum of its proper divisors (1).

660605272759 is an equidigital number, since it uses as much as digits as its factorization.

660605272759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9525600, while the sum is 55.

The spelling of 660605272759 in words is "six hundred sixty billion, six hundred five million, two hundred seventy-two thousand, seven hundred fifty-nine".