616321304553103 has 2 divisors, whose sum is σ = 616321304553104. Its totient is φ = 616321304553102.

The previous prime is 616321304553091. The next prime is 616321304553133. The reversal of 616321304553103 is 301355403123616.

616321304553103 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 a de Polignac number, because none of the positive numbers 2^k-616321304553103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 616321304553103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616321304553133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308160652276551 + 308160652276552.

It is an arithmetic number, because the mean of its divisors is an integer number (308160652276552).

Almost surely, 2^{616321304553103} is an apocalyptic number.

616321304553103 is a deficient number, since it is larger than the sum of its proper divisors (1).

616321304553103 is an equidigital number, since it uses as much as digits as its factorization.

616321304553103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 583200, while the sum is 43.

Adding to 616321304553103 its reverse (301355403123616), we get a palindrome (917676707676719).

The spelling of 616321304553103 in words is "six hundred sixteen trillion, three hundred twenty-one billion, three hundred four million, five hundred fifty-three thousand, one hundred three".