5566566626 has 4 divisors (see below), whose sum is σ = 8349849942. Its totient is φ = 2783283312.

The previous prime is 5566566623. The next prime is 5566566631. The reversal of 5566566626 is 6266656655.

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

It can be written as a sum of positive squares in only one way, i.e., 2910710401 + 2655856225 = 53951^2 + 51535^2 .

It is not an unprimeable number, because it can be changed into a prime (5566566623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1391641655 + ... + 1391641658.

Almost surely, 2^5566566626 is an apocalyptic number.

5566566626 is a deficient number, since it is larger than the sum of its proper divisors (2783283316).

5566566626 is a wasteful number, since it uses less digits than its factorization.

5566566626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783283315.

The product of its digits is 11664000, while the sum is 53.

The square root of 5566566626 is about 74609.4271925472. The cubic root of 5566566626 is about 1772.2669439470.

The spelling of 5566566626 in words is "five billion, five hundred sixty-six million, five hundred sixty-six thousand, six hundred twenty-six".