163328308 has 24 divisors (see below), whose sum is σ = 335795040. Its totient is φ = 68529120.

The previous prime is 163328303. The next prime is 163328327. The reversal of 163328308 is 803823361.

It is a super-2 number, since 2×163328308² = 53352272388285728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163328303) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 142198 + ... + 143341.

It is an arithmetic number, because the mean of its divisors is an integer number (13991460).

Almost surely, 2^163328308 is an apocalyptic number.

It is an amenable number.

163328308 is an abundant number, since it is smaller than the sum of its proper divisors (172466732).

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

163328308 is a wasteful number, since it uses less digits than its factorization.

163328308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285567 (or 285565 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 163328308 is about 12779.9964006255. The cubic root of 163328308 is about 546.6220597815.

The spelling of 163328308 in words is "one hundred sixty-three million, three hundred twenty-eight thousand, three hundred eight".