16376603018663 has 2 divisors, whose sum is σ = 16376603018664. Its totient is φ = 16376603018662.

The previous prime is 16376603018641. The next prime is 16376603018701. The reversal of 16376603018663 is 36681030667361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16376603018663 - 2¹² = 16376603014567 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16376603018599 and 16376603018608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16376603012663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8188301509331 + 8188301509332.

It is an arithmetic number, because the mean of its divisors is an integer number (8188301509332).

Almost surely, 2^{16376603018663} is an apocalyptic number.

16376603018663 is a deficient number, since it is larger than the sum of its proper divisors (1).

16376603018663 is an equidigital number, since it uses as much as digits as its factorization.

16376603018663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11757312, while the sum is 56.

The spelling of 16376603018663 in words is "sixteen trillion, three hundred seventy-six billion, six hundred three million, eighteen thousand, six hundred sixty-three".