68068549632 has 88 divisors (see below), whose sum is σ = 182541896416. Its totient is φ = 22550151168.

The previous prime is 68068549613. The next prime is 68068549697. The reversal of 68068549632 is 23694586086.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432768 + ... + 568704.

It is an arithmetic number, because the mean of its divisors is an integer number (2074339732).

Almost surely, 2^68068549632 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 68068549632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91270948208).

68068549632 is an abundant number, since it is smaller than the sum of its proper divisors (114473346784).

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

68068549632 is a wasteful number, since it uses less digits than its factorization.

68068549632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136123 (or 136105 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 57.

The spelling of 68068549632 in words is "sixty-eight billion, sixty-eight million, five hundred forty-nine thousand, six hundred thirty-two".