128543168 has 56 divisors (see below), whose sum is σ = 281165808. Its totient is φ = 57931776.

The previous prime is 128543161. The next prime is 128543197. The reversal of 128543168 is 861345821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128543161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33980 + ... + 37572.

It is an arithmetic number, because the mean of its divisors is an integer number (5020818).

Almost surely, 2^128543168 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 128543168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140582904).

128543168 is an abundant number, since it is smaller than the sum of its proper divisors (152622640).

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

128543168 is a wasteful number, since it uses less digits than its factorization.

128543168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3661 (or 3651 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The square root of 128543168 is about 11337.6879477255. The cubic root of 128543168 is about 504.6802773133.

Adding to 128543168 its reverse (861345821), we get a palindrome (989888989).

The spelling of 128543168 in words is "one hundred twenty-eight million, five hundred forty-three thousand, one hundred sixty-eight".