5666063220 has 36 divisors (see below), whose sum is σ = 17187058980. Its totient is φ = 1510950144.

The previous prime is 5666063203. The next prime is 5666063233. The reversal of 5666063220 is 223606665.

It can be written as a sum of positive squares in 2 ways, for example, as 762422544 + 4903640676 = 27612^2 + 70026^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15738885 + ... + 15739244.

It is an arithmetic number, because the mean of its divisors is an integer number (477418305).

Almost surely, 2^5666063220 is an apocalyptic number.

It is an amenable number.

5666063220 is an abundant number, since it is smaller than the sum of its proper divisors (11520995760).

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

5666063220 is a wasteful number, since it uses less digits than its factorization.

5666063220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31478144 (or 31478139 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 5666063220 is about 75273.2570040649. The cubic root of 5666063220 is about 1782.7637933984.

Adding to 5666063220 its reverse (223606665), we get a palindrome (5889669885).

The spelling of 5666063220 in words is "five billion, six hundred sixty-six million, sixty-three thousand, two hundred twenty".