564430207660 has 72 divisors (see below), whose sum is σ = 1303119106128. Its totient is φ = 205205616000.

The previous prime is 564430207639. The next prime is 564430207681. The reversal of 564430207660 is 66702034465.

564430207660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (564430207639) and next prime (564430207681).

It is a super-2 number, since 2×564430207660² (a number of 24 digits) contains 22 as substring.

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, 13465735 + ... + 13507585.

It is an arithmetic number, because the mean of its divisors is an integer number (18098876474).

Almost surely, 2^564430207660 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 564430207660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (651559553064).

564430207660 is an abundant number, since it is smaller than the sum of its proper divisors (738688898468).

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

564430207660 is a wasteful number, since it uses less digits than its factorization.

564430207660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47455 (or 47442 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 43.

The spelling of 564430207660 in words is "five hundred sixty-four billion, four hundred thirty million, two hundred seven thousand, six hundred sixty".