163304244 has 36 divisors (see below), whose sum is σ = 437080644. Its totient is φ = 51232512.

The previous prime is 163304213. The next prime is 163304257. The reversal of 163304244 is 442403361.

163304244 is a `hidden beast` number, since 1 + 633 + 0 + 4 + 24 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 119902500 + 43401744 = 10950^2 + 6588^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×163304244² = 53336552216823072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132807 + ... + 134030.

It is an arithmetic number, because the mean of its divisors is an integer number (12141129).

Almost surely, 2^163304244 is an apocalyptic number.

It is an amenable number.

163304244 is an abundant number, since it is smaller than the sum of its proper divisors (273776400).

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

163304244 is a wasteful number, since it uses less digits than its factorization.

163304244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266864 (or 266859 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 163304244 is about 12779.0548946313. The cubic root of 163304244 is about 546.5952129161.

The spelling of 163304244 in words is "one hundred sixty-three million, three hundred four thousand, two hundred forty-four".