205512330116604 has 24 divisors (see below), whose sum is σ = 548032880311168. Its totient is φ = 58717808604720.

The previous prime is 205512330116579. The next prime is 205512330116627. The reversal of 205512330116604 is 406611033215502.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1223287679182 + ... + 1223287679349.

Almost surely, 2^{205512330116604} is an apocalyptic number.

It is an amenable number.

205512330116604 is an abundant number, since it is smaller than the sum of its proper divisors (342520550194564).

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

205512330116604 is a wasteful number, since it uses less digits than its factorization.

205512330116604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446575358545 (or 2446575358543 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 205512330116604 in words is "two hundred five trillion, five hundred twelve billion, three hundred thirty million, one hundred sixteen thousand, six hundred four".