68047535167 has 2 divisors, whose sum is σ = 68047535168. Its totient is φ = 68047535166.

The previous prime is 68047535113. The next prime is 68047535189. The reversal of 68047535167 is 76153574086.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68047535167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68047535107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34023767583 + 34023767584.

It is an arithmetic number, because the mean of its divisors is an integer number (34023767584).

Almost surely, 2^68047535167 is an apocalyptic number.

68047535167 is a deficient number, since it is larger than the sum of its proper divisors (1).

68047535167 is an equidigital number, since it uses as much as digits as its factorization.

68047535167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 68047535167 in words is "sixty-eight billion, forty-seven million, five hundred thirty-five thousand, one hundred sixty-seven".