5215635660 has 96 divisors (see below), whose sum is σ = 15662626560. Its totient is φ = 1292758272.

The previous prime is 5215635643. The next prime is 5215635697. The reversal of 5215635660 is 665365125.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17259 + ... + 103581.

It is an arithmetic number, because the mean of its divisors is an integer number (163152360).

Almost surely, 2^5215635660 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 5215635660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7831313280).

5215635660 is an abundant number, since it is smaller than the sum of its proper divisors (10446990900).

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

5215635660 is a wasteful number, since it uses less digits than its factorization.

5215635660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86407 (or 86405 counting only the distinct ones).

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

The square root of 5215635660 is about 72219.3579312361. The cubic root of 5215635660 is about 1734.2129116537.

The spelling of 5215635660 in words is "five billion, two hundred fifteen million, six hundred thirty-five thousand, six hundred sixty".