13240163560 has 32 divisors (see below), whose sum is σ = 32081936040. Its totient is φ = 4888675584.

The previous prime is 13240163551. The next prime is 13240163603. The reversal of 13240163560 is 6536104231.

13240163560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5542206916 + 7697956644 = 74446^2 + 87738^2 .

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 7 ways as a sum of consecutive naturals, for example, 12730407 + ... + 12731446.

Almost surely, 2^13240163560 is an apocalyptic number.

13240163560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13240163560 is an abundant number, since it is smaller than the sum of its proper divisors (18841772480).

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

13240163560 is a wasteful number, since it uses less digits than its factorization.

13240163560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25461877 (or 25461873 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 13240163560 its reverse (6536104231), we get a palindrome (19776267791).

The spelling of 13240163560 in words is "thirteen billion, two hundred forty million, one hundred sixty-three thousand, five hundred sixty".