204442142168 has 16 divisors (see below), whose sum is σ = 418177109160. Its totient is φ = 92928246400.

The previous prime is 204442142129. The next prime is 204442142183. The reversal of 204442142168 is 861241244402.

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, 1161602993 + ... + 1161603168.

Almost surely, 2^204442142168 is an apocalyptic number.

It is an amenable number.

204442142168 is an abundant number, since it is smaller than the sum of its proper divisors (213734966992).

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

204442142168 is a wasteful number, since it uses less digits than its factorization.

204442142168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323206178 (or 2323206174 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 38.

It can be divided in two parts, 20444 and 2142168, that added together give a palindrome (2162612).

The spelling of 204442142168 in words is "two hundred four billion, four hundred forty-two million, one hundred forty-two thousand, one hundred sixty-eight".