163803228 has 48 divisors (see below), whose sum is σ = 407713824. Its totient is φ = 51005440.

The previous prime is 163803209. The next prime is 163803247. The reversal of 163803228 is 822308361.

It is an interprime number because it is at equal distance from previous prime (163803209) and next prime (163803247).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 25018 + ... + 30878.

It is an arithmetic number, because the mean of its divisors is an integer number (8494038).

Almost surely, 2^163803228 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 163803228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203856912).

163803228 is an abundant number, since it is smaller than the sum of its proper divisors (243910596).

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

163803228 is a wasteful number, since it uses less digits than its factorization.

163803228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6022 (or 6020 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 163803228 is about 12798.5635131447. The cubic root of 163803228 is about 547.1513628713.

The spelling of 163803228 in words is "one hundred sixty-three million, eight hundred three thousand, two hundred twenty-eight".