5666255420 has 24 divisors (see below), whose sum is σ = 13599013344. Its totient is φ = 1942716096.

The previous prime is 5666255407. The next prime is 5666255437. The reversal of 5666255420 is 245526665.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20236487 + ... + 20236766.

It is an arithmetic number, because the mean of its divisors is an integer number (566625556).

Almost surely, 2^5666255420 is an apocalyptic number.

It is an amenable number.

5666255420 is an abundant number, since it is smaller than the sum of its proper divisors (7932757924).

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

5666255420 is a wasteful number, since it uses less digits than its factorization.

5666255420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40473269 (or 40473267 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 41.

The square root of 5666255420 is about 75274.5336750750. The cubic root of 5666255420 is about 1782.7839510348.

The spelling of 5666255420 in words is "five billion, six hundred sixty-six million, two hundred fifty-five thousand, four hundred twenty".