1560538836 has 72 divisors (see below), whose sum is σ = 4099630080. Its totient is φ = 499915584.

The previous prime is 1560538829. The next prime is 1560538867. The reversal of 1560538836 is 6388350651.

1560538836 is a `hidden beast` number, since 1 + 5 + 605 + 3 + 8 + 8 + 36 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1560538791 and 1560538800.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 229461 + ... + 236163.

Almost surely, 2^1560538836 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 1560538836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2049815040).

1560538836 is an abundant number, since it is smaller than the sum of its proper divisors (2539091244).

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

1560538836 is a wasteful number, since it uses less digits than its factorization.

1560538836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6965 (or 6960 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 1560538836 is about 39503.6559827062. The cubic root of 1560538836 is about 1159.9115162392.

The spelling of 1560538836 in words is "one billion, five hundred sixty million, five hundred thirty-eight thousand, eight hundred thirty-six".