168129606008 has 256 divisors, whose sum is σ = 434730240000. Its totient is φ = 58991099904.

The previous prime is 168129605993. The next prime is 168129606013. The reversal of 168129606008 is 800606921861.

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, 46791860 + ... + 46795452.

It is an arithmetic number, because the mean of its divisors is an integer number (1698165000).

Almost surely, 2^168129606008 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 168129606008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217365120000).

168129606008 is an abundant number, since it is smaller than the sum of its proper divisors (266600633992).

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

168129606008 is a wasteful number, since it uses less digits than its factorization.

168129606008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3854 (or 3850 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 47.

The spelling of 168129606008 in words is "one hundred sixty-eight billion, one hundred twenty-nine million, six hundred six thousand, eight".