560659921664 has 144 divisors (see below), whose sum is σ = 1218655676448. Its totient is φ = 256431292416.

The previous prime is 560659921639. The next prime is 560659921673. The reversal of 560659921664 is 466129956065.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24668834 + ... + 24691550.

It is an arithmetic number, because the mean of its divisors is an integer number (8462886642).

Almost surely, 2^560659921664 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 560659921664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (609327838224).

560659921664 is an abundant number, since it is smaller than the sum of its proper divisors (657995754784).

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

560659921664 is a wasteful number, since it uses less digits than its factorization.

560659921664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22910 (or 22896 counting only the distinct ones).

The product of its (nonzero) digits is 20995200, while the sum is 59.

The spelling of 560659921664 in words is "five hundred sixty billion, six hundred fifty-nine million, nine hundred twenty-one thousand, six hundred sixty-four".