16373663 has 2 divisors, whose sum is σ = 16373664. Its totient is φ = 16373662.

The previous prime is 16373641. The next prime is 16373671. The reversal of 16373663 is 36637361.

It is a strong prime.

It is an emirp because it is prime and its reverse (36637361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16373663 - 2⁸ = 16373407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16373963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8186831 + 8186832.

It is an arithmetic number, because the mean of its divisors is an integer number (8186832).

Almost surely, 2^16373663 is an apocalyptic number.

16373663 is a deficient number, since it is larger than the sum of its proper divisors (1).

16373663 is an equidigital number, since it uses as much as digits as its factorization.

16373663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 35.

The square root of 16373663 is about 4046.4383104157. The cubic root of 16373663 is about 253.9307424790.

The spelling of 16373663 in words is "sixteen million, three hundred seventy-three thousand, six hundred sixty-three".