616151263023917 has 2 divisors, whose sum is σ = 616151263023918. Its totient is φ = 616151263023916.

The previous prime is 616151263023841. The next prime is 616151263023937. The reversal of 616151263023917 is 719320362151616.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 604757168259721 + 11394094764196 = 24591811^2 + 3375514^2 .

It is a cyclic number.

It is not a de Polignac number, because 616151263023917 - 2⁸ = 616151263023661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616151263023937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308075631511958 + 308075631511959.

It is an arithmetic number, because the mean of its divisors is an integer number (308075631511959).

Almost surely, 2^{616151263023917} is an apocalyptic number.

It is an amenable number.

616151263023917 is a deficient number, since it is larger than the sum of its proper divisors (1).

616151263023917 is an equidigital number, since it uses as much as digits as its factorization.

616151263023917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The spelling of 616151263023917 in words is "six hundred sixteen trillion, one hundred fifty-one billion, two hundred sixty-three million, twenty-three thousand, nine hundred seventeen".