168832128 has 32 divisors (see below), whose sum is σ = 448461360. Its totient is φ = 56277248.

The previous prime is 168832127. The next prime is 168832193. The reversal of 168832128 is 821238861.

It is a tau number, because it is divible by the number of its divisors (32).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (168832127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219450 + ... + 220217.

Almost surely, 2^168832128 is an apocalyptic number.

It is an amenable number.

168832128 is an abundant number, since it is smaller than the sum of its proper divisors (279629232).

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

168832128 is an equidigital number, since it uses as much as digits as its factorization.

168832128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439684 (or 439672 counting only the distinct ones).

The product of its digits is 36864, while the sum is 39.

The square root of 168832128 is about 12993.5417804385. The cubic root of 168832128 is about 552.6943582977.

The spelling of 168832128 in words is "one hundred sixty-eight million, eight hundred thirty-two thousand, one hundred twenty-eight".