68018418224 has 40 divisors (see below), whose sum is σ = 133949908800. Its totient is φ = 33452198208.

The previous prime is 68018418217. The next prime is 68018418227. The reversal of 68018418224 is 42281481086.

It is not an unprimeable number, because it can be changed into a prime (68018418227) by changing a digit.

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, 685727 + ... + 778625.

It is an arithmetic number, because the mean of its divisors is an integer number (3348747720).

Almost surely, 2^68018418224 is an apocalyptic number.

It is an amenable number.

68018418224 is a deficient number, since it is larger than the sum of its proper divisors (65931490576).

68018418224 is a wasteful number, since it uses less digits than its factorization.

68018418224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93657 (or 93651 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 44.

The spelling of 68018418224 in words is "sixty-eight billion, eighteen million, four hundred eighteen thousand, two hundred twenty-four".