5666610613 has 2 divisors, whose sum is σ = 5666610614. Its totient is φ = 5666610612.

The previous prime is 5666610589. The next prime is 5666610641. The reversal of 5666610613 is 3160166665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4237619409 + 1428991204 = 65097^2 + 37802^2 .

It is a cyclic number.

It is not a de Polignac number, because 5666610613 - 2¹³ = 5666602421 is a prime.

It is a super-2 number, since 2×5666610613² = 64220951678728471538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5666613613) 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, 2833305306 + 2833305307.

It is an arithmetic number, because the mean of its divisors is an integer number (2833305307).

Almost surely, 2^5666610613 is an apocalyptic number.

It is an amenable number.

5666610613 is a deficient number, since it is larger than the sum of its proper divisors (1).

5666610613 is an equidigital number, since it uses as much as digits as its factorization.

5666610613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 5666610613 is about 75276.8929552755. The cubic root of 5666610613 is about 1782.8212019235.

The spelling of 5666610613 in words is "five billion, six hundred sixty-six million, six hundred ten thousand, six hundred thirteen".