163300009 has 2 divisors, whose sum is σ = 163300010. Its totient is φ = 163300008.

The previous prime is 163299991. The next prime is 163300013. The reversal of 163300009 is 900003361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129891609 + 33408400 = 11397^2 + 5780^2 .

It is an emirp because it is prime and its reverse (900003361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163300009 - 2¹⁵ = 163267241 is a prime.

It is not a weakly prime, because it can be changed into another prime (163300609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81650004 + 81650005.

It is an arithmetic number, because the mean of its divisors is an integer number (81650005).

Almost surely, 2^163300009 is an apocalyptic number.

It is an amenable number.

163300009 is a deficient number, since it is larger than the sum of its proper divisors (1).

163300009 is an equidigital number, since it uses as much as digits as its factorization.

163300009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 163300009 is about 12778.8891927272. The cubic root of 163300009 is about 546.5904878894.

The spelling of 163300009 in words is "one hundred sixty-three million, three hundred thousand, nine".