16673863 has 2 divisors, whose sum is σ = 16673864. Its totient is φ = 16673862.

The previous prime is 16673807. The next prime is 16673879. The reversal of 16673863 is 36837661.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16673863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16673893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8336931 + 8336932.

It is an arithmetic number, because the mean of its divisors is an integer number (8336932).

Almost surely, 2^16673863 is an apocalyptic number.

16673863 is a deficient number, since it is larger than the sum of its proper divisors (1).

16673863 is an equidigital number, since it uses as much as digits as its factorization.

16673863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 40.

The square root of 16673863 is about 4083.3641767543. The cubic root of 16673863 is about 255.4732362952.

The spelling of 16673863 in words is "sixteen million, six hundred seventy-three thousand, eight hundred sixty-three".