5566206365 has 4 divisors (see below), whose sum is σ = 6679447644. Its totient is φ = 4452965088.

The previous prime is 5566206361. The next prime is 5566206377. The reversal of 5566206365 is 5636026655.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2503801444 + 3062404921 = 50038^2 + 55339^2 .

It is a cyclic number.

It is not a de Polignac number, because 5566206365 - 2² = 5566206361 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5566206361) 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 in 3 ways as a sum of consecutive naturals, for example, 556620632 + ... + 556620641.

It is an arithmetic number, because the mean of its divisors is an integer number (1669861911).

Almost surely, 2^5566206365 is an apocalyptic number.

It is an amenable number.

5566206365 is a deficient number, since it is larger than the sum of its proper divisors (1113241279).

5566206365 is a wasteful number, since it uses less digits than its factorization.

5566206365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113241278.

The product of its (nonzero) digits is 972000, while the sum is 44.

The square root of 5566206365 is about 74607.0128406171. The cubic root of 5566206365 is about 1772.2287101799.

The spelling of 5566206365 in words is "five billion, five hundred sixty-six million, two hundred six thousand, three hundred sixty-five".