163708033 has 2 divisors, whose sum is σ = 163708034. Its totient is φ = 163708032.

The previous prime is 163708031. The next prime is 163708049. The reversal of 163708033 is 330807361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111767184 + 51940849 = 10572^2 + 7207^2 .

It is an emirp because it is prime and its reverse (330807361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163708033 - 2¹ = 163708031 is a prime.

Together with 163708031, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 163707986 and 163708004.

It is not a weakly prime, because it can be changed into another prime (163708031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81854016 + 81854017.

It is an arithmetic number, because the mean of its divisors is an integer number (81854017).

Almost surely, 2^163708033 is an apocalyptic number.

It is an amenable number.

163708033 is a deficient number, since it is larger than the sum of its proper divisors (1).

163708033 is an equidigital number, since it uses as much as digits as its factorization.

163708033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 163708033 is about 12794.8440006121. The cubic root of 163708033 is about 547.0453491541.

The spelling of 163708033 in words is "one hundred sixty-three million, seven hundred eight thousand, thirty-three".