16953863 has 2 divisors, whose sum is σ = 16953864. Its totient is φ = 16953862.

The previous prime is 16953857. The next prime is 16953883. The reversal of 16953863 is 36835961.

It is a weak prime.

It is an emirp because it is prime and its reverse (36835961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16953863 - 2⁴ = 16953847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16953863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16953803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8476931 + 8476932.

It is an arithmetic number, because the mean of its divisors is an integer number (8476932).

Almost surely, 2^16953863 is an apocalyptic number.

16953863 is a deficient number, since it is larger than the sum of its proper divisors (1).

16953863 is an equidigital number, since it uses as much as digits as its factorization.

16953863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 41.

The square root of 16953863 is about 4117.5068913118. The cubic root of 16953863 is about 256.8953380850.

The spelling of 16953863 in words is "sixteen million, nine hundred fifty-three thousand, eight hundred sixty-three".