163340069 has 2 divisors, whose sum is σ = 163340070. Its totient is φ = 163340068.

The previous prime is 163340059. The next prime is 163340077. The reversal of 163340069 is 960043361.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141372100 + 21967969 = 11890^2 + 4687^2 .

It is an emirp because it is prime and its reverse (960043361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163340069 - 2¹⁶ = 163274533 is a prime.

It is a super-2 number, since 2×163340069² = 53359956281849522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163340039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81670034 + 81670035.

It is an arithmetic number, because the mean of its divisors is an integer number (81670035).

Almost surely, 2^163340069 is an apocalyptic number.

It is an amenable number.

163340069 is a deficient number, since it is larger than the sum of its proper divisors (1).

163340069 is an equidigital number, since it uses as much as digits as its factorization.

163340069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 163340069 is about 12780.4565254924. The cubic root of 163340069 is about 546.6351799153.

The spelling of 163340069 in words is "one hundred sixty-three million, three hundred forty thousand, sixty-nine".