68468181072 has 40 divisors (see below), whose sum is σ = 178268875776. Its totient is φ = 22643018496.

The previous prime is 68468180999. The next prime is 68468181079. The reversal of 68468181072 is 27018186486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68468181079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5609733 + ... + 5621924.

Almost surely, 2^68468181072 is an apocalyptic number.

It is an amenable number.

68468181072 is an abundant number, since it is smaller than the sum of its proper divisors (109800694704).

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

68468181072 is a wasteful number, since it uses less digits than its factorization.

68468181072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11231795 (or 11231789 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 51.

The spelling of 68468181072 in words is "sixty-eight billion, four hundred sixty-eight million, one hundred eighty-one thousand, seventy-two".