616400323462351 has 2 divisors, whose sum is σ = 616400323462352. Its totient is φ = 616400323462350.

The previous prime is 616400323462333. The next prime is 616400323462361. The reversal of 616400323462351 is 153264323004616.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 616400323462351 - 2⁷ = 616400323462223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616400323462331) 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, 308200161731175 + 308200161731176.

It is an arithmetic number, because the mean of its divisors is an integer number (308200161731176).

Almost surely, 2^{616400323462351} is an apocalyptic number.

616400323462351 is a deficient number, since it is larger than the sum of its proper divisors (1).

616400323462351 is an equidigital number, since it uses as much as digits as its factorization.

616400323462351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1866240, while the sum is 46.

Adding to 616400323462351 its reverse (153264323004616), we get a palindrome (769664646466967).

The spelling of 616400323462351 in words is "six hundred sixteen trillion, four hundred billion, three hundred twenty-three million, four hundred sixty-two thousand, three hundred fifty-one".