168106043328 has 112 divisors (see below), whose sum is σ = 476618929920. Its totient is φ = 52103655424.

The previous prime is 168106043327. The next prime is 168106043333. The reversal of 168106043328 is 823340601861.

168106043328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 168106043328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168106043323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39348 + ... + 581171.

It is an arithmetic number, because the mean of its divisors is an integer number (4255526160).

Almost surely, 2^168106043328 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 168106043328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238309464960).

168106043328 is an abundant number, since it is smaller than the sum of its proper divisors (308512886592).

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

168106043328 is a wasteful number, since it uses less digits than its factorization.

168106043328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620634 (or 620624 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 168106043328 in words is "one hundred sixty-eight billion, one hundred six million, forty-three thousand, three hundred twenty-eight".