163567272 has 32 divisors (see below), whose sum is σ = 446093280. Its totient is φ = 49565760.

The previous prime is 163567267. The next prime is 163567289. The reversal of 163567272 is 272765361.

It is a self number, because there is not a number n which added to its sum of digits gives 163567272.

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, 309523 + ... + 310050.

It is an arithmetic number, because the mean of its divisors is an integer number (13940415).

Almost surely, 2^163567272 is an apocalyptic number.

163567272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163567272 is an abundant number, since it is smaller than the sum of its proper divisors (282526008).

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

163567272 is a wasteful number, since it uses less digits than its factorization.

163567272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619593 (or 619589 counting only the distinct ones).

The product of its digits is 105840, while the sum is 39.

The square root of 163567272 is about 12789.3421253792. The cubic root of 163567272 is about 546.8885156148. Note that the first 3 decimals are identical.

The spelling of 163567272 in words is "one hundred sixty-three million, five hundred sixty-seven thousand, two hundred seventy-two".