563601660 has 96 divisors (see below), whose sum is σ = 1703600640. Its totient is φ = 138792192.

The previous prime is 563601653. The next prime is 563601673. The reversal of 563601660 is 66106365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32979 + ... + 47061.

It is an arithmetic number, because the mean of its divisors is an integer number (17745840).

Almost surely, 2^563601660 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 563601660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (851800320).

563601660 is an abundant number, since it is smaller than the sum of its proper divisors (1139998980).

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

563601660 is a wasteful number, since it uses less digits than its factorization.

563601660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14147 (or 14145 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 563601660 is about 23740.2961228372. The cubic root of 563601660 is about 826.0203646678.

The spelling of 563601660 in words is "five hundred sixty-three million, six hundred one thousand, six hundred sixty".