218550580086 has 8 divisors (see below), whose sum is σ = 437101160184. Its totient is φ = 72850193360.

The previous prime is 218550580069. The next prime is 218550580163. The reversal of 218550580086 is 680085055812.

218550580086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

218550580086 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18212548335 + ... + 18212548346.

It is an arithmetic number, because the mean of its divisors is an integer number (54637645023).

Almost surely, 2^218550580086 is an apocalyptic number.

218550580086 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.

218550580086 is a wasteful number, since it uses less digits than its factorization.

218550580086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36425096686.

The product of its (nonzero) digits is 768000, while the sum is 48.

The spelling of 218550580086 in words is "two hundred eighteen billion, five hundred fifty million, five hundred eighty thousand, eighty-six".