204888604043218 has 8 divisors (see below), whose sum is σ = 307340951332860. Its totient is φ = 102441620265600.

The previous prime is 204888604043161. The next prime is 204888604043231. The reversal of 204888604043218 is 812340406888402.

It can be written as a sum of positive squares in 2 ways, for example, as 188307363035169 + 16581241008049 = 13722513^2 + 4072007^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1340782503 + ... + 1340935306.

Almost surely, 2^{204888604043218} is an apocalyptic number.

204888604043218 is a deficient number, since it is larger than the sum of its proper divisors (102452347289642).

204888604043218 is a wasteful number, since it uses less digits than its factorization.

204888604043218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2681756012.

The product of its (nonzero) digits is 18874368, while the sum is 58.

The spelling of 204888604043218 in words is "two hundred four trillion, eight hundred eighty-eight billion, six hundred four million, forty-three thousand, two hundred eighteen".