68126557318 has 8 divisors (see below), whose sum is σ = 102191676912. Its totient is φ = 34062665016.

The previous prime is 68126557253. The next prime is 68126557321. The reversal of 68126557318 is 81375562186.

68126557318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152530 + ... + 399397.

It is an arithmetic number, because the mean of its divisors is an integer number (12773959614).

Almost surely, 2^68126557318 is an apocalyptic number.

68126557318 is a deficient number, since it is larger than the sum of its proper divisors (34065119594).

68126557318 is a wasteful number, since it uses less digits than its factorization.

68126557318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613646.

The product of its digits is 2419200, while the sum is 52.

The spelling of 68126557318 in words is "sixty-eight billion, one hundred twenty-six million, five hundred fifty-seven thousand, three hundred eighteen".