163239232 has 28 divisors (see below), whose sum is σ = 348847156. Its totient is φ = 75340800.

The previous prime is 163239221. The next prime is 163239239. The reversal of 163239232 is 232932361.

It can be written as a sum of positive squares in 2 ways, for example, as 94945536 + 68293696 = 9744^2 + 8264^2 .

It is a junction number, because it is equal to n+sod(n) for n = 163239194 and 163239203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163239239) 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 3 ways as a sum of consecutive naturals, for example, 97269 + ... + 98932.

It is an arithmetic number, because the mean of its divisors is an integer number (12458827).

Almost surely, 2^163239232 is an apocalyptic number.

It is an amenable number.

163239232 is an abundant number, since it is smaller than the sum of its proper divisors (185607924).

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

163239232 is a wasteful number, since it uses less digits than its factorization.

163239232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196226 (or 196216 counting only the distinct ones).

The product of its digits is 11664, while the sum is 31.

The square root of 163239232 is about 12776.5109478292. The cubic root of 163239232 is about 546.5226694563.

The spelling of 163239232 in words is "one hundred sixty-three million, two hundred thirty-nine thousand, two hundred thirty-two".