5661600524560 has 80 divisors (see below), whose sum is σ = 13319719827120. Its totient is φ = 2237748592640.

The previous prime is 5661600524539. The next prime is 5661600524623. The reversal of 5661600524560 is 654250061665.

It can be written as a sum of positive squares in 8 ways, for example, as 222033209616 + 5439567314944 = 471204^2 + 2332288^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 5661600524560.

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, 10801350 + ... + 11313370.

It is an arithmetic number, because the mean of its divisors is an integer number (166496497839).

Almost surely, 2^{5661600524560} 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 5661600524560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6659859913560).

5661600524560 is an abundant number, since it is smaller than the sum of its proper divisors (7658119302560).

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

5661600524560 is a wasteful number, since it uses less digits than its factorization.

5661600524560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513676 (or 513670 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 5661600524560 in words is "five trillion, six hundred sixty-one billion, six hundred million, five hundred twenty-four thousand, five hundred sixty".