163273168 has 20 divisors (see below), whose sum is σ = 334950660. Its totient is φ = 76834304.

The previous prime is 163273141. The next prime is 163273169. The reversal of 163273168 is 861372361.

It can be written as a sum of positive squares in 2 ways, for example, as 90478144 + 72795024 = 9512^2 + 8532^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163273169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299863 + ... + 300406.

It is an arithmetic number, because the mean of its divisors is an integer number (16747533).

Almost surely, 2^163273168 is an apocalyptic number.

It is an amenable number.

163273168 is an abundant number, since it is smaller than the sum of its proper divisors (171677492).

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

163273168 is a wasteful number, since it uses less digits than its factorization.

163273168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600294 (or 600288 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 163273168 is about 12777.8389409164. The cubic root of 163273168 is about 546.5605392502.

The spelling of 163273168 in words is "one hundred sixty-three million, two hundred seventy-three thousand, one hundred sixty-eight".