1610116560817 has 2 divisors, whose sum is σ = 1610116560818. Its totient is φ = 1610116560816.

The previous prime is 1610116560809. The next prime is 1610116560821. The reversal of 1610116560817 is 7180656110161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1435625726976 + 174490833841 = 1198176^2 + 417721^2 .

It is an emirp because it is prime and its reverse (7180656110161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1610116560817 - 2³ = 1610116560809 is a prime.

It is not a weakly prime, because it can be changed into another prime (1610116560517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805058280408 + 805058280409.

It is an arithmetic number, because the mean of its divisors is an integer number (805058280409).

Almost surely, 2^{1610116560817} is an apocalyptic number.

It is an amenable number.

1610116560817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1610116560817 is an equidigital number, since it uses as much as digits as its factorization.

1610116560817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 43.

The spelling of 1610116560817 in words is "one trillion, six hundred ten billion, one hundred sixteen million, five hundred sixty thousand, eight hundred seventeen".