5579564661 has 16 divisors (see below), whose sum is σ = 9017478720. Its totient is φ = 3381554160.

The previous prime is 5579564651. The next prime is 5579564699. The reversal of 5579564661 is 1664659755.

5579564661 is a `hidden beast` number, since 5 + 5 + 79 + 564 + 6 + 6 + 1 = 666.

It is not a de Polignac number, because 5579564661 - 2¹³ = 5579556469 is a prime.

It is a super-2 number, since 2×5579564661² = 62263083612560089842, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5579564598 and 5579564607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5579564621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9392910 + ... + 9393503.

It is an arithmetic number, because the mean of its divisors is an integer number (563592420).

Almost surely, 2^5579564661 is an apocalyptic number.

It is an amenable number.

5579564661 is a deficient number, since it is larger than the sum of its proper divisors (3437914059).

5579564661 is a wasteful number, since it uses less digits than its factorization.

5579564661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18786433 (or 18786427 counting only the distinct ones).

The product of its digits is 6804000, while the sum is 54.

The square root of 5579564661 is about 74696.4835919336. The cubic root of 5579564661 is about 1773.6452969318.

The spelling of 5579564661 in words is "five billion, five hundred seventy-nine million, five hundred sixty-four thousand, six hundred sixty-one".