68158168000 has 448 divisors, whose sum is σ = 202700534400. Its totient is φ = 22428057600.

The previous prime is 68158167971. The next prime is 68158168021. The reversal of 68158168000 is 86185186.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33590986 + ... + 33593014.

It is an arithmetic number, because the mean of its divisors is an integer number (452456550).

Almost surely, 2^68158168000 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 68158168000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101350267200).

68158168000 is an abundant number, since it is smaller than the sum of its proper divisors (134542366400).

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

68158168000 is a wasteful number, since it uses less digits than its factorization.

68158168000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105 (or 2085 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 43.

The spelling of 68158168000 in words is "sixty-eight billion, one hundred fifty-eight million, one hundred sixty-eight thousand".