2068161118156 has 12 divisors (see below), whose sum is σ = 4136322236368. Its totient is φ = 886354764912.

The previous prime is 2068161118151. The next prime is 2068161118157. The reversal of 2068161118156 is 6518111618602.

2068161118156 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2068161118151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36931448511 + ... + 36931448566.

Almost surely, 2^{2068161118156} is an apocalyptic number.

It is an amenable number.

2068161118156 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2068161118156 is a wasteful number, since it uses less digits than its factorization.

2068161118156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73862897088 (or 73862897086 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 46.

The spelling of 2068161118156 in words is "two trillion, sixty-eight billion, one hundred sixty-one million, one hundred eighteen thousand, one hundred fifty-six".