68245275318 has 128 divisors (see below), whose sum is σ = 154344960000. Its totient is φ = 19938441600.

The previous prime is 68245275317. The next prime is 68245275377. The reversal of 68245275318 is 81357254286.

It is a super-2 number, since 2×68245275318² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68245275311) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 84149133 + ... + 84149943.

It is an arithmetic number, because the mean of its divisors is an integer number (1205820000).

Almost surely, 2^68245275318 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68245275318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77172480000).

68245275318 is an abundant number, since it is smaller than the sum of its proper divisors (86099684682).

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

68245275318 is a wasteful number, since it uses less digits than its factorization.

68245275318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218.

The product of its digits is 3225600, while the sum is 51.

The spelling of 68245275318 in words is "sixty-eight billion, two hundred forty-five million, two hundred seventy-five thousand, three hundred eighteen".