163223560 has 16 divisors (see below), whose sum is σ = 367253100. Its totient is φ = 65289408.

The previous prime is 163223537. The next prime is 163223563. The reversal of 163223560 is 65322361.

It can be written as a sum of positive squares in 2 ways, for example, as 157201444 + 6022116 = 12538^2 + 2454^2 .

It is not an unprimeable number, because it can be changed into a prime (163223563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2040255 + ... + 2040334.

Almost surely, 2^163223560 is an apocalyptic number.

163223560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163223560 is an abundant number, since it is smaller than the sum of its proper divisors (204029540).

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

163223560 is a wasteful number, since it uses less digits than its factorization.

163223560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4080600 (or 4080596 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 163223560 is about 12775.8976201283. The cubic root of 163223560 is about 546.5051790175.

The spelling of 163223560 in words is "one hundred sixty-three million, two hundred twenty-three thousand, five hundred sixty".