68746633664786 has 192 divisors, whose sum is σ = 144140978580480. Its totient is φ = 23813469313920.

The previous prime is 68746633664743. The next prime is 68746633664833.

68746633664786 is nontrivially palindromic in base 10.

68746633664786 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 68746633664786.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 81617261 + ... + 82455263.

It is an arithmetic number, because the mean of its divisors is an integer number (750734263440).

Almost surely, 2^{68746633664786} is an apocalyptic number.

68746633664786 is an abundant number, since it is smaller than the sum of its proper divisors (75394344915694).

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

68746633664786 is a wasteful number, since it uses less digits than its factorization.

68746633664786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838141 (or 838118 counting only the distinct ones).

The product of its digits is 21069103104, while the sum is 80.

The spelling of 68746633664786 in words is "sixty-eight trillion, seven hundred forty-six billion, six hundred thirty-three million, six hundred sixty-four thousand, seven hundred eighty-six".