162418169 has 2 divisors, whose sum is σ = 162418170. Its totient is φ = 162418168.

The previous prime is 162418133. The next prime is 162418171. The reversal of 162418169 is 961814261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120012025 + 42406144 = 10955^2 + 6512^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162418169 is a prime.

It is a super-2 number, since 2×162418169² = 52759323242625122, which contains 22 as substring.

Together with 162418171, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (162418369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81209084 + 81209085.

It is an arithmetic number, because the mean of its divisors is an integer number (81209085).

Almost surely, 2^162418169 is an apocalyptic number.

It is an amenable number.

162418169 is a deficient number, since it is larger than the sum of its proper divisors (1).

162418169 is an equidigital number, since it uses as much as digits as its factorization.

162418169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 38.

The square root of 162418169 is about 12744.3387039108. The cubic root of 162418169 is about 545.6048263853.

The spelling of 162418169 in words is "one hundred sixty-two million, four hundred eighteen thousand, one hundred sixty-nine".