168663366667 has 2 divisors, whose sum is σ = 168663366668. Its totient is φ = 168663366666.

The previous prime is 168663366661. The next prime is 168663366673. The reversal of 168663366667 is 766663366861.

168663366667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (168663366661) and next prime (168663366673).

It is a cyclic number.

It is not a de Polignac number, because 168663366667 - 2¹¹ = 168663364619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168663366599 and 168663366608.

It is not a weakly prime, because it can be changed into another prime (168663366661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84331683333 + 84331683334.

It is an arithmetic number, because the mean of its divisors is an integer number (84331683334).

Almost surely, 2^168663366667 is an apocalyptic number.

168663366667 is a deficient number, since it is larger than the sum of its proper divisors (1).

168663366667 is an equidigital number, since it uses as much as digits as its factorization.

168663366667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141087744, while the sum is 64.

The spelling of 168663366667 in words is "one hundred sixty-eight billion, six hundred sixty-three million, three hundred sixty-six thousand, six hundred sixty-seven".