168214811 has 2 divisors, whose sum is σ = 168214812. Its totient is φ = 168214810.

The previous prime is 168214799. The next prime is 168214831. The reversal of 168214811 is 118412861.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 168214811 - 2²⁶ = 101105947 is a prime.

It is not a weakly prime, because it can be changed into another prime (168214831) 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, 84107405 + 84107406.

It is an arithmetic number, because the mean of its divisors is an integer number (84107406).

Almost surely, 2^168214811 is an apocalyptic number.

168214811 is a deficient number, since it is larger than the sum of its proper divisors (1).

168214811 is an equidigital number, since it uses as much as digits as its factorization.

168214811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 32.

The square root of 168214811 is about 12969.7652638743. The cubic root of 168214811 is about 552.0199125965.

The spelling of 168214811 in words is "one hundred sixty-eight million, two hundred fourteen thousand, eight hundred eleven".