218568907074 has 16 divisors (see below), whose sum is σ = 499586073408. Its totient is φ = 62448259152.

The previous prime is 218568907069. The next prime is 218568907087. The reversal of 218568907074 is 470709865812.

218568907074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2602010757 + ... + 2602010840.

It is an arithmetic number, because the mean of its divisors is an integer number (31224129588).

Almost surely, 2^218568907074 is an apocalyptic number.

218568907074 is an abundant number, since it is smaller than the sum of its proper divisors (281017166334).

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

218568907074 is a wasteful number, since it uses less digits than its factorization.

218568907074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5204021609.

The product of its (nonzero) digits is 6773760, while the sum is 57.

The spelling of 218568907074 in words is "two hundred eighteen billion, five hundred sixty-eight million, nine hundred seven thousand, seventy-four".