168213883 has 2 divisors, whose sum is σ = 168213884. Its totient is φ = 168213882.

The previous prime is 168213853. The next prime is 168213907. The reversal of 168213883 is 388312861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 168213883 - 2²⁵ = 134659451 is a prime.

It is not a weakly prime, because it can be changed into another prime (168213823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84106941 + 84106942.

It is an arithmetic number, because the mean of its divisors is an integer number (84106942).

Almost surely, 2^168213883 is an apocalyptic number.

168213883 is a deficient number, since it is larger than the sum of its proper divisors (1).

168213883 is an equidigital number, since it uses as much as digits as its factorization.

168213883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 40.

The square root of 168213883 is about 12969.7294883124. The cubic root of 168213883 is about 552.0188974749.

The spelling of 168213883 in words is "one hundred sixty-eight million, two hundred thirteen thousand, eight hundred eighty-three".