5536521660 has 72 divisors (see below), whose sum is σ = 16055400816. Its totient is φ = 1425482240.

The previous prime is 5536521643. The next prime is 5536521673. The reversal of 5536521660 is 661256355.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4401 + ... + 105320.

It is an arithmetic number, because the mean of its divisors is an integer number (222991678).

Almost surely, 2^5536521660 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 5536521660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8027700408).

5536521660 is an abundant number, since it is smaller than the sum of its proper divisors (10518879156).

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

5536521660 is a wasteful number, since it uses less digits than its factorization.

5536521660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109791 (or 109760 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 39.

The square root of 5536521660 is about 74407.8064452917. The cubic root of 5536521660 is about 1769.0726477377.

The spelling of 5536521660 in words is "five billion, five hundred thirty-six million, five hundred twenty-one thousand, six hundred sixty".