218501583850232 has 8 divisors (see below), whose sum is σ = 409690469719200. Its totient is φ = 109250791925112.

The previous prime is 218501583850223. The next prime is 218501583850247. The reversal of 218501583850232 is 232058385105812.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13656348990632 + ... + 13656348990647.

It is an arithmetic number, because the mean of its divisors is an integer number (51211308714900).

Almost surely, 2^{218501583850232} is an apocalyptic number.

It is an amenable number.

218501583850232 is a deficient number, since it is larger than the sum of its proper divisors (191188885868968).

218501583850232 is a wasteful number, since it uses less digits than its factorization.

218501583850232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27312697981285 (or 27312697981281 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 53.

The spelling of 218501583850232 in words is "two hundred eighteen trillion, five hundred one billion, five hundred eighty-three million, eight hundred fifty thousand, two hundred thirty-two".