204539816118 has 32 divisors (see below), whose sum is σ = 447084616320. Its totient is φ = 61868439360.

The previous prime is 204539816093. The next prime is 204539816137. The reversal of 204539816118 is 811618935402.

It is a happy number.

204539816118 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2796703 + ... + 2868906.

It is an arithmetic number, because the mean of its divisors is an integer number (13971394260).

Almost surely, 2^204539816118 is an apocalyptic number.

204539816118 is an abundant number, since it is smaller than the sum of its proper divisors (242544800202).

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

204539816118 is a wasteful number, since it uses less digits than its factorization.

204539816118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5666172.

The product of its (nonzero) digits is 414720, while the sum is 48.

The spelling of 204539816118 in words is "two hundred four billion, five hundred thirty-nine million, eight hundred sixteen thousand, one hundred eighteen".