566112820 has 144 divisors (see below), whose sum is σ = 1496371968. Its totient is φ = 176117760.

The previous prime is 566112817. The next prime is 566112853. The reversal of 566112820 is 28211665.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1679692 + ... + 1680028.

It is an arithmetic number, because the mean of its divisors is an integer number (10391472).

Almost surely, 2^566112820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 566112820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (748185984).

566112820 is an abundant number, since it is smaller than the sum of its proper divisors (930259148).

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

566112820 is a wasteful number, since it uses less digits than its factorization.

566112820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 566112820 is about 23793.1254777509. The cubic root of 566112820 is about 827.2453410848.

It can be divided in two parts, 5661 and 12820, that added together give a palindrome (18481).

The spelling of 566112820 in words is "five hundred sixty-six million, one hundred twelve thousand, eight hundred twenty".