68210344218 has 32 divisors (see below), whose sum is σ = 138159216000. Its totient is φ = 22447789056.

The previous prime is 68210344199. The next prime is 68210344249. The reversal of 68210344218 is 81244301286.

68210344218 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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264483 + ... + 454281.

It is an arithmetic number, because the mean of its divisors is an integer number (4317475500).

Almost surely, 2^68210344218 is an apocalyptic number.

68210344218 is an abundant number, since it is smaller than the sum of its proper divisors (69948871782).

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

68210344218 is a wasteful number, since it uses less digits than its factorization.

68210344218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190566.

The product of its (nonzero) digits is 73728, while the sum is 39.

The spelling of 68210344218 in words is "sixty-eight billion, two hundred ten million, three hundred forty-four thousand, two hundred eighteen".