218474006318 has 16 divisors (see below), whose sum is σ = 330893840016. Its totient is φ = 108177713280.

The previous prime is 218474006293. The next prime is 218474006353. The reversal of 218474006318 is 813600474812.

218474006318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 148121 + ... + 677412.

It is an arithmetic number, because the mean of its divisors is an integer number (20680865001).

Almost surely, 2^218474006318 is an apocalyptic number.

218474006318 is a deficient number, since it is larger than the sum of its proper divisors (112419833698).

218474006318 is a wasteful number, since it uses less digits than its factorization.

218474006318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826819.

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 218474006318 in words is "two hundred eighteen billion, four hundred seventy-four million, six thousand, three hundred eighteen".