163243304 has 64 divisors (see below), whose sum is σ = 365904000. Its totient is φ = 68208000.

The previous prime is 163243279. The next prime is 163243331. The reversal of 163243304 is 403342361.

It is a happy number.

163243304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111779 + ... + 113229.

It is an arithmetic number, because the mean of its divisors is an integer number (5717250).

Almost surely, 2^163243304 is an apocalyptic number.

163243304 is a gapful number since it is divisible by the number (14) 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 163243304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182952000).

163243304 is an abundant number, since it is smaller than the sum of its proper divisors (202660696).

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

163243304 is a wasteful number, since it uses less digits than its factorization.

163243304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519 (or 1501 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 163243304 is about 12776.6703017649. The cubic root of 163243304 is about 546.5272137515.

Adding to 163243304 its reverse (403342361), we get a palindrome (566585665).

The spelling of 163243304 in words is "one hundred sixty-three million, two hundred forty-three thousand, three hundred four".