68530369712 has 80 divisors (see below), whose sum is σ = 156987077184. Its totient is φ = 28369920000.

The previous prime is 68530369681. The next prime is 68530369741. The reversal of 68530369712 is 21796303586.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389912 + ... + 537672.

Almost surely, 2^68530369712 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 68530369712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78493538592).

68530369712 is an abundant number, since it is smaller than the sum of its proper divisors (88456707472).

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

68530369712 is a wasteful number, since it uses less digits than its factorization.

68530369712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147918 (or 147912 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 68530369712 in words is "sixty-eight billion, five hundred thirty million, three hundred sixty-nine thousand, seven hundred twelve".