68303133180906 has 64 divisors (see below), whose sum is σ = 153037562025600. Its totient is φ = 20178285716736.

The previous prime is 68303133180901. The next prime is 68303133180959. The reversal of 68303133180906 is 60908133130386.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (68303133180901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83941201 + ... + 84750996.

It is an arithmetic number, because the mean of its divisors is an integer number (2391211906650).

Almost surely, 2^{68303133180906} is an apocalyptic number.

68303133180906 is an abundant number, since it is smaller than the sum of its proper divisors (84734428844694).

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

68303133180906 is a wasteful number, since it uses less digits than its factorization.

68303133180906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168692423.

The product of its (nonzero) digits is 1679616, while the sum is 51.

The spelling of 68303133180906 in words is "sixty-eight trillion, three hundred three billion, one hundred thirty-three million, one hundred eighty thousand, nine hundred six".