5516566513 has 2 divisors, whose sum is σ = 5516566514. Its totient is φ = 5516566512.

The previous prime is 5516566507. The next prime is 5516566543. The reversal of 5516566513 is 3156656155.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5408572849 + 107993664 = 73543^2 + 10392^2 .

It is a cyclic number.

It is not a de Polignac number, because 5516566513 - 2⁵ = 5516566481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5516566513.

It is not a weakly prime, because it can be changed into another prime (5516566543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2758283256 + 2758283257.

It is an arithmetic number, because the mean of its divisors is an integer number (2758283257).

Almost surely, 2^5516566513 is an apocalyptic number.

It is an amenable number.

5516566513 is a deficient number, since it is larger than the sum of its proper divisors (1).

5516566513 is an equidigital number, since it uses as much as digits as its factorization.

5516566513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 405000, while the sum is 43.

The square root of 5516566513 is about 74273.5922990130. The cubic root of 5516566513 is about 1766.9446809459.

The spelling of 5516566513 in words is "five billion, five hundred sixteen million, five hundred sixty-six thousand, five hundred thirteen".