163302216 has 128 divisors (see below), whose sum is σ = 514805760. Its totient is φ = 41932800.

The previous prime is 163302197. The next prime is 163302239. The reversal of 163302216 is 612203361.

It is a happy number.

It is a super-2 number, since 2×163302216² = 53335227501021312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178801 + ... + 179711.

It is an arithmetic number, because the mean of its divisors is an integer number (4021920).

Almost surely, 2^163302216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163302216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257402880).

163302216 is an abundant number, since it is smaller than the sum of its proper divisors (351503544).

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

163302216 is a wasteful number, since it uses less digits than its factorization.

163302216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035 (or 1031 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 163302216 is about 12778.9755457940. The cubic root of 163302216 is about 546.5929502689.

Adding to 163302216 its reverse (612203361), we get a palindrome (775505577).

The spelling of 163302216 in words is "one hundred sixty-three million, three hundred two thousand, two hundred sixteen".