163306368 has 160 divisors (see below), whose sum is σ = 512193000. Its totient is φ = 51508224.

The previous prime is 163306361. The next prime is 163306391. The reversal of 163306368 is 863603361.

163306368 is a `hidden beast` number, since 16 + 3 + 3 + 0 + 636 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163306361) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 196578 + ... + 197406.

Almost surely, 2^163306368 is an apocalyptic number.

163306368 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 163306368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256096500).

163306368 is an abundant number, since it is smaller than the sum of its proper divisors (348886632).

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

163306368 is an equidigital number, since it uses as much as digits as its factorization.

163306368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874 (or 853 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 163306368 is about 12779.1379990984. The cubic root of 163306368 is about 546.5975826508.

The spelling of 163306368 in words is "one hundred sixty-three million, three hundred six thousand, three hundred sixty-eight".