68526366720 has 672 divisors, whose sum is σ = 268943328000. Its totient is φ = 14814019584.

The previous prime is 68526366719. The next prime is 68526366743. The reversal of 68526366720 is 2766362586.

It is a tau number, because it is divible by the number of its divisors (672).

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 47 ways as a sum of consecutive naturals, for example, 114400981 + ... + 114401579.

Almost surely, 2^68526366720 is an apocalyptic number.

68526366720 is a gapful number since it is divisible by the number (60) 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 68526366720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134471664000).

68526366720 is an abundant number, since it is smaller than the sum of its proper divisors (200416961280).

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

68526366720 is a wasteful number, since it uses less digits than its factorization.

68526366720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 51.

The spelling of 68526366720 in words is "sixty-eight billion, five hundred twenty-six million, three hundred sixty-six thousand, seven hundred twenty".