68326608384 has 120 divisors (see below), whose sum is σ = 198299261160. Its totient is φ = 22648025088.

The previous prime is 68326608379. The next prime is 68326608397. The reversal of 68326608384 is 48380662386.

It is a happy number.

68326608384 is a `hidden beast` number, since 6 + 8 + 3 + 26 + 608 + 3 + 8 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 68326608384.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 783414 + ... + 866250.

It is an arithmetic number, because the mean of its divisors is an integer number (1652493843).

Almost surely, 2^68326608384 is an apocalyptic number.

68326608384 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68326608384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99149630580).

68326608384 is an abundant number, since it is smaller than the sum of its proper divisors (129972652776).

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

68326608384 is a wasteful number, since it uses less digits than its factorization.

68326608384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83040 (or 83021 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 54.

The spelling of 68326608384 in words is "sixty-eight billion, three hundred twenty-six million, six hundred eight thousand, three hundred eighty-four".