67991043072192 has 224 divisors, whose sum is σ = 194964332935680. Its totient is φ = 20840836423680.

The previous prime is 67991043072191. The next prime is 67991043072221. The reversal of 67991043072192 is 29127034019976.

67991043072192 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (67991043072191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28311133 + ... + 30618659.

It is an arithmetic number, because the mean of its divisors is an integer number (870376486320).

Almost surely, 2^{67991043072192} 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 67991043072192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97482166467840).

67991043072192 is an abundant number, since it is smaller than the sum of its proper divisors (126973289863488).

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

67991043072192 is a wasteful number, since it uses less digits than its factorization.

67991043072192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307799 (or 2307789 counting only the distinct ones).

The product of its (nonzero) digits is 10287648, while the sum is 60.

The spelling of 67991043072192 in words is "sixty-seven trillion, nine hundred ninety-one billion, forty-three million, seventy-two thousand, one hundred ninety-two".