204661797852 has 12 divisors (see below), whose sum is σ = 477544195016. Its totient is φ = 68220599280.

The previous prime is 204661797761. The next prime is 204661797863. The reversal of 204661797852 is 258797166402.

It is a happy number.

204661797852 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 204661797792 and 204661797801.

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 3 ways as a sum of consecutive naturals, for example, 8527574899 + ... + 8527574922.

Almost surely, 2^204661797852 is an apocalyptic number.

It is an amenable number.

204661797852 is an abundant number, since it is smaller than the sum of its proper divisors (272882397164).

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

204661797852 is a wasteful number, since it uses less digits than its factorization.

204661797852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17055149828 (or 17055149826 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 204661797852 in words is "two hundred four billion, six hundred sixty-one million, seven hundred ninety-seven thousand, eight hundred fifty-two".