163306216 has 32 divisors (see below), whose sum is σ = 341280000. Its totient is φ = 72804096.

The previous prime is 163306207. The next prime is 163306237. The reversal of 163306216 is 612603361.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29016 + ... + 34183.

It is an arithmetic number, because the mean of its divisors is an integer number (10665000).

Almost surely, 2^163306216 is an apocalyptic number.

It is an amenable number.

163306216 is an abundant number, since it is smaller than the sum of its proper divisors (177973784).

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

163306216 is a wasteful number, since it uses less digits than its factorization.

163306216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63241 (or 63237 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 163306216 is about 12779.1320519040. The cubic root of 163306216 is about 546.5974130659.

Adding to 163306216 its reverse (612603361), we get a palindrome (775909577).

The spelling of 163306216 in words is "one hundred sixty-three million, three hundred six thousand, two hundred sixteen".