168063811 has 2 divisors, whose sum is σ = 168063812. Its totient is φ = 168063810.

The previous prime is 168063781. The next prime is 168063817. The reversal of 168063811 is 118360861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 168063811 - 2⁹ = 168063299 is a prime.

It is not a weakly prime, because it can be changed into another prime (168063817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84031905 + 84031906.

It is an arithmetic number, because the mean of its divisors is an integer number (84031906).

Almost surely, 2^168063811 is an apocalyptic number.

168063811 is a deficient number, since it is larger than the sum of its proper divisors (1).

168063811 is an equidigital number, since it uses as much as digits as its factorization.

168063811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 168063811 is about 12963.9427258840. The cubic root of 168063811 is about 551.8546874293.

The spelling of 168063811 in words is "one hundred sixty-eight million, sixty-three thousand, eight hundred eleven".