16516301603 has 2 divisors, whose sum is σ = 16516301604. Its totient is φ = 16516301602.

The previous prime is 16516301597. The next prime is 16516301653. The reversal of 16516301603 is 30610361561.

16516301603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16516301603 - 2²⁸ = 16247866147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16516301603.

It is not a weakly prime, because it can be changed into another prime (16516301653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8258150801 + 8258150802.

It is an arithmetic number, because the mean of its divisors is an integer number (8258150802).

Almost surely, 2^16516301603 is an apocalyptic number.

16516301603 is a deficient number, since it is larger than the sum of its proper divisors (1).

16516301603 is an equidigital number, since it uses as much as digits as its factorization.

16516301603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 32.

The spelling of 16516301603 in words is "sixteen billion, five hundred sixteen million, three hundred one thousand, six hundred three".