68746218024 has 256 divisors, whose sum is σ = 195115392000. Its totient is φ = 20007680000.

The previous prime is 68746218011. The next prime is 68746218049. The reversal of 68746218024 is 42081264786.

It is a Cunningham number, because it is equal to 262195²-1.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 140012419 + ... + 140012909.

It is an arithmetic number, because the mean of its divisors is an integer number (762169500).

Almost surely, 2^68746218024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68746218024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97557696000).

68746218024 is an abundant number, since it is smaller than the sum of its proper divisors (126369173976).

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

68746218024 is a wasteful number, since it uses less digits than its factorization.

68746218024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760 (or 756 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 48.

The spelling of 68746218024 in words is "sixty-eight billion, seven hundred forty-six million, two hundred eighteen thousand, twenty-four".