13871628516 has 96 divisors (see below), whose sum is σ = 35398218240. Its totient is φ = 4210665984.

The previous prime is 13871628481. The next prime is 13871628517. The reversal of 13871628516 is 61582617831.

It is not an unprimeable number, because it can be changed into a prime (13871628517) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 931215 + ... + 945993.

It is an arithmetic number, because the mean of its divisors is an integer number (368731440).

Almost surely, 2^13871628516 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 13871628516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17699109120).

13871628516 is an abundant number, since it is smaller than the sum of its proper divisors (21526589724).

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

13871628516 is a wasteful number, since it uses less digits than its factorization.

13871628516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14953 (or 14951 counting only the distinct ones).

The product of its digits is 483840, while the sum is 48.

The spelling of 13871628516 in words is "thirteen billion, eight hundred seventy-one million, six hundred twenty-eight thousand, five hundred sixteen".