16376603018641 has 2 divisors, whose sum is σ = 16376603018642. Its totient is φ = 16376603018640.

The previous prime is 16376603018621. The next prime is 16376603018663. The reversal of 16376603018641 is 14681030667361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9052299759616 + 7324303259025 = 3008704^2 + 2706345^2 .

It is a cyclic number.

It is not a de Polignac number, because 16376603018641 - 2⁵ = 16376603018609 is a prime.

It is not a weakly prime, because it can be changed into another prime (16376603018621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8188301509320 + 8188301509321.

It is an arithmetic number, because the mean of its divisors is an integer number (8188301509321).

Almost surely, 2^{16376603018641} is an apocalyptic number.

It is an amenable number.

16376603018641 is a deficient number, since it is larger than the sum of its proper divisors (1).

16376603018641 is an equidigital number, since it uses as much as digits as its factorization.

16376603018641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 16376603018641 in words is "sixteen trillion, three hundred seventy-six billion, six hundred three million, eighteen thousand, six hundred forty-one".