163244244 has 12 divisors (see below), whose sum is σ = 380903264. Its totient is φ = 54414744.

The previous prime is 163244203. The next prime is 163244261. The reversal of 163244244 is 442442361.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6801832 + ... + 6801855.

Almost surely, 2^163244244 is an apocalyptic number.

It is an amenable number.

163244244 is an abundant number, since it is smaller than the sum of its proper divisors (217659020).

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

163244244 is a wasteful number, since it uses less digits than its factorization.

163244244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13603694 (or 13603692 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

The square root of 163244244 is about 12776.7070875089. The cubic root of 163244244 is about 546.5282627677.

The spelling of 163244244 in words is "one hundred sixty-three million, two hundred forty-four thousand, two hundred forty-four".