168159159544236 has 768 divisors, whose sum is σ = 507384134369280. Its totient is φ = 42246850314240.

The previous prime is 168159159544177. The next prime is 168159159544249. The reversal of 168159159544236 is 632445951951861.

168159159544236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×168159159544236² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 104252422966 + ... + 104252424578.

It is an arithmetic number, because the mean of its divisors is an integer number (660656424960).

Almost surely, 2^{168159159544236} 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 168159159544236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253692067184640).

168159159544236 is an abundant number, since it is smaller than the sum of its proper divisors (339224974825044).

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

168159159544236 is a wasteful number, since it uses less digits than its factorization.

168159159544236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374 (or 2372 counting only the distinct ones).

The product of its digits is 279936000, while the sum is 69.

The spelling of 168159159544236 in words is "one hundred sixty-eight trillion, one hundred fifty-nine billion, one hundred fifty-nine million, five hundred forty-four thousand, two hundred thirty-six".