5566566100 has 18 divisors (see below), whose sum is σ = 12079448654. Its totient is φ = 2226626400.

The previous prime is 5566566029. The next prime is 5566566127. The reversal of 5566566100 is 16656655.

It can be written as a sum of positive squares in 3 ways, for example, as 1458781636 + 4107784464 = 38194^2 + 64092^2 .

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 27832731 + ... + 27832930.

Almost surely, 2^5566566100 is an apocalyptic number.

5566566100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5566566100 is an abundant number, since it is smaller than the sum of its proper divisors (6512882554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5566566100 is a wasteful number, since it uses less digits than its factorization.

5566566100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55665675 (or 55665668 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 40.

The square root of 5566566100 is about 74609.4236675234. The cubic root of 5566566100 is about 1772.2668881249.

It can be divided in two parts, 556 and 6566100, that added together give a palindrome (6566656).

The spelling of 5566566100 in words is "five billion, five hundred sixty-six million, five hundred sixty-six thousand, one hundred".