163305330 has 16 divisors (see below), whose sum is σ = 391932864. Its totient is φ = 43548080.

The previous prime is 163305319. The next prime is 163305343. The reversal of 163305330 is 33503361.

163305330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 163305330.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2721726 + ... + 2721785.

It is an arithmetic number, because the mean of its divisors is an integer number (24495804).

Almost surely, 2^163305330 is an apocalyptic number.

163305330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163305330 is an abundant number, since it is smaller than the sum of its proper divisors (228627534).

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

163305330 is a wasteful number, since it uses less digits than its factorization.

163305330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5443521.

The product of its (nonzero) digits is 2430, while the sum is 24.

The square root of 163305330 is about 12779.0973859659. The cubic root of 163305330 is about 546.5964245627.

Adding to 163305330 its reverse (33503361), we get a palindrome (196808691).

The spelling of 163305330 in words is "one hundred sixty-three million, three hundred five thousand, three hundred thirty".