16363903 has 2 divisors, whose sum is σ = 16363904. Its totient is φ = 16363902.

The previous prime is 16363901. The next prime is 16363913. The reversal of 16363903 is 30936361.

It is a weak prime.

It is an emirp because it is prime and its reverse (30936361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16363903 - 2¹ = 16363901 is a prime.

Together with 16363901, it forms a pair of twin primes.

It is equal to p_1052968 and since 16363903 and 1052968 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16363901) 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, 8181951 + 8181952.

It is an arithmetic number, because the mean of its divisors is an integer number (8181952).

Almost surely, 2^16363903 is an apocalyptic number.

16363903 is a deficient number, since it is larger than the sum of its proper divisors (1).

16363903 is an equidigital number, since it uses as much as digits as its factorization.

16363903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 16363903 is about 4045.2321317818. The cubic root of 16363903 is about 253.8802781725.

The spelling of 16363903 in words is "sixteen million, three hundred sixty-three thousand, nine hundred three".