5605026660 has 240 divisors, whose sum is σ = 18126518256. Its totient is φ = 1449197568.

The previous prime is 5605026629. The next prime is 5605026673. The reversal of 5605026660 is 666205065.

It can be written as a sum of positive squares in 8 ways, for example, as 27625536 + 5577401124 = 5256^2 + 74682^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 8328084 + ... + 8328756.

Almost surely, 2^5605026660 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 5605026660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9063259128).

5605026660 is an abundant number, since it is smaller than the sum of its proper divisors (12521491596).

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

5605026660 is a wasteful number, since it uses less digits than its factorization.

5605026660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844 (or 833 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 5605026660 is about 74866.7259869162. The cubic root of 5605026660 is about 1776.3391769116.

The spelling of 5605026660 in words is "five billion, six hundred five million, twenty-six thousand, six hundred sixty".