168044328 has 128 divisors (see below), whose sum is σ = 488880000. Its totient is φ = 53415936.

The previous prime is 168044323. The next prime is 168044329. The reversal of 168044328 is 823440861.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 168044292 and 168044301.

It is not an unprimeable number, because it can be changed into a prime (168044323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 870600 + ... + 870792.

It is an arithmetic number, because the mean of its divisors is an integer number (3819375).

Almost surely, 2^168044328 is an apocalyptic number.

168044328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168044328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244440000).

168044328 is an abundant number, since it is smaller than the sum of its proper divisors (320835672).

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

168044328 is a wasteful number, since it uses less digits than its factorization.

168044328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 168044328 is about 12963.1912737566. The cubic root of 168044328 is about 551.8333617985.

The spelling of 168044328 in words is "one hundred sixty-eight million, forty-four thousand, three hundred twenty-eight".