204986116134 has 12 divisors (see below), whose sum is σ = 444136584996. Its totient is φ = 68328705372.

The previous prime is 204986116117. The next prime is 204986116147. The reversal of 204986116134 is 431611689402.

204986116134 is a `hidden beast` number, since 20 + 4 + 9 + 8 + 6 + 1 + 1 + 613 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 204986116134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5694058764 + ... + 5694058799.

It is an arithmetic number, because the mean of its divisors is an integer number (37011382083).

Almost surely, 2^204986116134 is an apocalyptic number.

204986116134 is an abundant number, since it is smaller than the sum of its proper divisors (239150468862).

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

204986116134 is a wasteful number, since it uses less digits than its factorization.

204986116134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11388117571 (or 11388117568 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 204986116134 in words is "two hundred four billion, nine hundred eighty-six million, one hundred sixteen thousand, one hundred thirty-four".