5566366265 has 4 divisors (see below), whose sum is σ = 6679639524. Its totient is φ = 4453093008.

The previous prime is 5566366207. The next prime is 5566366277. The reversal of 5566366265 is 5626636655.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5626636655 = 5 ⋅1125327331.

It can be written as a sum of positive squares in 2 ways, for example, as 1309064761 + 4257301504 = 36181^2 + 65248^2 .

It is a cyclic number.

It is not a de Polignac number, because 5566366265 - 2³² = 1271398969 is a prime.

It is a super-2 number, since 2×5566366265² = 61968866792260100450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556636622 + ... + 556636631.

It is an arithmetic number, because the mean of its divisors is an integer number (1669909881).

Almost surely, 2^5566366265 is an apocalyptic number.

It is an amenable number.

5566366265 is a deficient number, since it is larger than the sum of its proper divisors (1113273259).

5566366265 is a wasteful number, since it uses less digits than its factorization.

5566366265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113273258.

The product of its digits is 5832000, while the sum is 50.

The square root of 5566366265 is about 74608.0844480007. The cubic root of 5566366265 is about 1772.2456802453.

The spelling of 5566366265 in words is "five billion, five hundred sixty-six million, three hundred sixty-six thousand, two hundred sixty-five".