5566156065 has 24 divisors (see below), whose sum is σ = 10215534888. Its totient is φ = 2793991680.

The previous prime is 5566156061. The next prime is 5566156097. The reversal of 5566156065 is 5606516655.

It can be written as a sum of positive squares in 4 ways, for example, as 2974938849 + 2591217216 = 54543^2 + 50904^2 .

It is not a de Polignac number, because 5566156065 - 2² = 5566156061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5566156065.

It is not an unprimeable number, because it can be changed into a prime (5566156061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3637246 + ... + 3638775.

It is an arithmetic number, because the mean of its divisors is an integer number (425647287).

Almost surely, 2^5566156065 is an apocalyptic number.

It is an amenable number.

5566156065 is a deficient number, since it is larger than the sum of its proper divisors (4649378823).

5566156065 is a wasteful number, since it uses less digits than its factorization.

5566156065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7276049 (or 7276046 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The square root of 5566156065 is about 74606.6757401776. The cubic root of 5566156065 is about 1772.2233718120.

The spelling of 5566156065 in words is "five billion, five hundred sixty-six million, one hundred fifty-six thousand, sixty-five".