566341920 has 144 divisors (see below), whose sum is σ = 1938867840. Its totient is φ = 150538752.

The previous prime is 566341913. The next prime is 566341967. The reversal of 566341920 is 29143665.

It is a happy number.

566341920 is a `hidden beast` number, since 5 + 6 + 634 + 19 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 787321 + ... + 788039.

It is an arithmetic number, because the mean of its divisors is an integer number (13464360).

Almost surely, 2^566341920 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 566341920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (969433920).

566341920 is an abundant number, since it is smaller than the sum of its proper divisors (1372525920).

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

566341920 is a wasteful number, since it uses less digits than its factorization.

566341920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287 (or 1276 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 566341920 is about 23797.9394065957. The cubic root of 566341920 is about 827.3569185777.

The spelling of 566341920 in words is "five hundred sixty-six million, three hundred forty-one thousand, nine hundred twenty".