616516003104431 has 2 divisors, whose sum is σ = 616516003104432. Its totient is φ = 616516003104430.

The previous prime is 616516003104383. The next prime is 616516003104437. The reversal of 616516003104431 is 134401300615616.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 616516003104431 - 2⁶ = 616516003104367 is a prime.

It is a super-2 number, since 2×616516003104431² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616516003104437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308258001552215 + 308258001552216.

It is an arithmetic number, because the mean of its divisors is an integer number (308258001552216).

Almost surely, 2^{616516003104431} is an apocalyptic number.

616516003104431 is a deficient number, since it is larger than the sum of its proper divisors (1).

616516003104431 is an equidigital number, since it uses as much as digits as its factorization.

616516003104431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 616516003104431 in words is "six hundred sixteen trillion, five hundred sixteen billion, three million, one hundred four thousand, four hundred thirty-one".