605564205667 has 2 divisors, whose sum is σ = 605564205668. Its totient is φ = 605564205666.

The previous prime is 605564205601. The next prime is 605564205691. The reversal of 605564205667 is 766502465506.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 605564205667 - 2¹⁹ = 605563681379 is a prime.

It is not a weakly prime, because it can be changed into another prime (605564205067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302782102833 + 302782102834.

It is an arithmetic number, because the mean of its divisors is an integer number (302782102834).

Almost surely, 2^605564205667 is an apocalyptic number.

605564205667 is a deficient number, since it is larger than the sum of its proper divisors (1).

605564205667 is an equidigital number, since it uses as much as digits as its factorization.

605564205667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072000, while the sum is 52.

The spelling of 605564205667 in words is "six hundred five billion, five hundred sixty-four million, two hundred five thousand, six hundred sixty-seven".