68224836336 has 80 divisors (see below), whose sum is σ = 184873881600. Its totient is φ = 21638890240.

The previous prime is 68224836223. The next prime is 68224836341. The reversal of 68224836336 is 63363842286.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49090 + ... + 372638.

It is an arithmetic number, because the mean of its divisors is an integer number (2310923520).

Almost surely, 2^68224836336 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 68224836336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92436940800).

68224836336 is an abundant number, since it is smaller than the sum of its proper divisors (116649045264).

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

68224836336 is a wasteful number, since it uses less digits than its factorization.

68224836336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323774 (or 323768 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 51.

The spelling of 68224836336 in words is "sixty-eight billion, two hundred twenty-four million, eight hundred thirty-six thousand, three hundred thirty-six".