201216163 has 2 divisors, whose sum is σ = 201216164. Its totient is φ = 201216162.

The previous prime is 201216157. The next prime is 201216173. The reversal of 201216163 is 361612102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201216163 is a prime.

It is not a weakly prime, because it can be changed into another prime (201216173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100608081 + 100608082.

It is an arithmetic number, because the mean of its divisors is an integer number (100608082).

Almost surely, 2^201216163 is an apocalyptic number.

201216163 is a deficient number, since it is larger than the sum of its proper divisors (1).

201216163 is an equidigital number, since it uses as much as digits as its factorization.

201216163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 201216163 is about 14185.0683114323. The cubic root of 201216163 is about 585.9865138016.

Adding to 201216163 its reverse (361612102), we get a palindrome (562828265).

The spelling of 201216163 in words is "two hundred one million, two hundred sixteen thousand, one hundred sixty-three".