13382871516 has 120 divisors (see below), whose sum is σ = 40106439296. Its totient is φ = 3811911840.

The previous prime is 13382871503. The next prime is 13382871581. The reversal of 13382871516 is 61517828331.

It is a happy number.

13382871516 is a `hidden beast` number, since 13 + 38 + 28 + 71 + 516 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 741795 + ... + 759621.

Almost surely, 2^13382871516 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 13382871516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20053219648).

13382871516 is an abundant number, since it is smaller than the sum of its proper divisors (26723567780).

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

13382871516 is a wasteful number, since it uses less digits than its factorization.

13382871516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18181 (or 18170 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The spelling of 13382871516 in words is "thirteen billion, three hundred eighty-two million, eight hundred seventy-one thousand, five hundred sixteen".