205550562817338 has 8 divisors (see below), whose sum is σ = 411101125634688. Its totient is φ = 68516854272444.

The previous prime is 205550562817307. The next prime is 205550562817367. The reversal of 205550562817338 is 833718265055502.

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

205550562817338 is an admirable number.

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, 17129213568106 + ... + 17129213568117.

It is an arithmetic number, because the mean of its divisors is an integer number (51387640704336).

Almost surely, 2^{205550562817338} is an apocalyptic number.

205550562817338 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

205550562817338 is a wasteful number, since it uses less digits than its factorization.

205550562817338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34258427136228.

The product of its (nonzero) digits is 60480000, while the sum is 60.

The spelling of 205550562817338 in words is "two hundred five trillion, five hundred fifty billion, five hundred sixty-two million, eight hundred seventeen thousand, three hundred thirty-eight".