68758766218 has 8 divisors (see below), whose sum is σ = 103925463840. Its totient is φ = 34116944940.

The previous prime is 68758766207. The next prime is 68758766243. The reversal of 68758766218 is 81266785786.

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

It is a self number, because there is not a number n which added to its sum of digits gives 68758766218.

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, 131218758 + ... + 131219281.

It is an arithmetic number, because the mean of its divisors is an integer number (12990682980).

Almost surely, 2^68758766218 is an apocalyptic number.

68758766218 is a deficient number, since it is larger than the sum of its proper divisors (35166697622).

68758766218 is a wasteful number, since it uses less digits than its factorization.

68758766218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262438172.

The product of its digits is 54190080, while the sum is 64.

The spelling of 68758766218 in words is "sixty-eight billion, seven hundred fifty-eight million, seven hundred sixty-six thousand, two hundred eighteen".