5666788900 has 18 divisors (see below), whose sum is σ = 12296932130. Its totient is φ = 2266715520.

The previous prime is 5666788889. The next prime is 5666788937. The reversal of 5666788900 is 98876665.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 99241444 + 5567547456 = 9962^2 + 74616^2 .

It is a super-2 number, since 2×5666788900² = 64224992874326420000, which contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 28333845 + ... + 28334044.

Almost surely, 2^5666788900 is an apocalyptic number.

5666788900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5666788900 is an abundant number, since it is smaller than the sum of its proper divisors (6630143230).

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

5666788900 is a wasteful number, since it uses less digits than its factorization.

5666788900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56667903 (or 56667896 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 55.

The square root of 5666788900 is about 75278.0771539762. The cubic root of 5666788900 is about 1782.8398991972.

The spelling of 5666788900 in words is "five billion, six hundred sixty-six million, seven hundred eighty-eight thousand, nine hundred".