68843549712 has 160 divisors (see below), whose sum is σ = 208414660608. Its totient is φ = 19171934208.

The previous prime is 68843549711. The next prime is 68843549743. The reversal of 68843549712 is 21794534886.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (68843549711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7262608 + ... + 7272080.

Almost surely, 2^68843549712 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 68843549712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104207330304).

68843549712 is an abundant number, since it is smaller than the sum of its proper divisors (139571110896).

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

68843549712 is a wasteful number, since it uses less digits than its factorization.

68843549712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10037 (or 10031 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 57.

The spelling of 68843549712 in words is "sixty-eight billion, eight hundred forty-three million, five hundred forty-nine thousand, seven hundred twelve".