163043028 has 72 divisors (see below), whose sum is σ = 435708000. Its totient is φ = 51264576.

The previous prime is 163043003. The next prime is 163043029. The reversal of 163043028 is 820340361.

It is a happy number.

163043028 is a `hidden beast` number, since 1 + 630 + 4 + 3 + 0 + 28 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 163042992 and 163043010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163043029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238375 + ... + 239057.

It is an arithmetic number, because the mean of its divisors is an integer number (6051500).

Almost surely, 2^163043028 is an apocalyptic number.

163043028 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 163043028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217854000).

163043028 is an abundant number, since it is smaller than the sum of its proper divisors (272664972).

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

163043028 is a wasteful number, since it uses less digits than its factorization.

163043028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061 (or 1056 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 163043028 is about 12768.8303301438. The cubic root of 163043028 is about 546.3036189200.

Adding to 163043028 its reverse (820340361), we get a palindrome (983383389).

The spelling of 163043028 in words is "one hundred sixty-three million, forty-three thousand, twenty-eight".