5660645563 has 2 divisors, whose sum is σ = 5660645564. Its totient is φ = 5660645562.

The previous prime is 5660645531. The next prime is 5660645579. The reversal of 5660645563 is 3655460665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5660645563 - 2⁵ = 5660645531 is a prime.

It is not a weakly prime, because it can be changed into another prime (5660645593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2830322781 + 2830322782.

It is an arithmetic number, because the mean of its divisors is an integer number (2830322782).

Almost surely, 2^5660645563 is an apocalyptic number.

5660645563 is a deficient number, since it is larger than the sum of its proper divisors (1).

5660645563 is an equidigital number, since it uses as much as digits as its factorization.

5660645563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944000, while the sum is 46.

The square root of 5660645563 is about 75237.2617989251. The cubic root of 5660645563 is about 1782.1954103590.

The spelling of 5660645563 in words is "five billion, six hundred sixty million, six hundred forty-five thousand, five hundred sixty-three".