13171881116968 has 16 divisors (see below), whose sum is σ = 28225459536480. Its totient is φ = 5645091907248.

The previous prime is 13171881116957. The next prime is 13171881116971. The reversal of 13171881116968 is 86961118817131.

It is a happy number.

13171881116968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117606081346 + ... + 117606081457.

It is an arithmetic number, because the mean of its divisors is an integer number (1764091221030).

Almost surely, 2^{13171881116968} is an apocalyptic number.

It is an amenable number.

13171881116968 is an abundant number, since it is smaller than the sum of its proper divisors (15053578419512).

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

13171881116968 is a wasteful number, since it uses less digits than its factorization.

13171881116968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235212162816 (or 235212162812 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 61.

The spelling of 13171881116968 in words is "thirteen trillion, one hundred seventy-one billion, eight hundred eighty-one million, one hundred sixteen thousand, nine hundred sixty-eight".