5666120120 has 32 divisors (see below), whose sum is σ = 12798399600. Its totient is φ = 2257625088.

The previous prime is 5666120087. The next prime is 5666120123. The reversal of 5666120120 is 210216665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5666120123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265310 + ... + 285869.

Almost surely, 2^5666120120 is an apocalyptic number.

It is an amenable number.

5666120120 is an abundant number, since it is smaller than the sum of its proper divisors (7132279480).

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

5666120120 is a wasteful number, since it uses less digits than its factorization.

5666120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551447 (or 551443 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 5666120120 is about 75273.6349593933. The cubic root of 5666120120 is about 1782.7697610292.

Adding to 5666120120 its reverse (210216665), we get a palindrome (5876336785).

The spelling of 5666120120 in words is "five billion, six hundred sixty-six million, one hundred twenty thousand, one hundred twenty".