162268489 has 2 divisors, whose sum is σ = 162268490. Its totient is φ = 162268488.

The previous prime is 162268399. The next prime is 162268499. The reversal of 162268489 is 984862261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138180025 + 24088464 = 11755^2 + 4908^2 .

It is a cyclic number.

It is not a de Polignac number, because 162268489 - 2¹⁹ = 161744201 is a prime.

It is not a weakly prime, because it can be changed into another prime (162268499) 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, 81134244 + 81134245.

It is an arithmetic number, because the mean of its divisors is an integer number (81134245).

Almost surely, 2^162268489 is an apocalyptic number.

It is an amenable number.

162268489 is a deficient number, since it is larger than the sum of its proper divisors (1).

162268489 is an equidigital number, since it uses as much as digits as its factorization.

162268489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 46.

The square root of 162268489 is about 12738.4649389163. The cubic root of 162268489 is about 545.4371702033.

The spelling of 162268489 in words is "one hundred sixty-two million, two hundred sixty-eight thousand, four hundred eighty-nine".