68250397218 has 8 divisors (see below), whose sum is σ = 136500794448. Its totient is φ = 22750132404.

The previous prime is 68250397169. The next prime is 68250397219. The reversal of 68250397218 is 81279305286.

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

68250397218 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (68250397219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5687533096 + ... + 5687533107.

It is an arithmetic number, because the mean of its divisors is an integer number (17062599306).

Almost surely, 2^68250397218 is an apocalyptic number.

68250397218 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

68250397218 is a wasteful number, since it uses less digits than its factorization.

68250397218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11375066208.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 68250397218 in words is "sixty-eight billion, two hundred fifty million, three hundred ninety-seven thousand, two hundred eighteen".