1610116560517 has 2 divisors, whose sum is σ = 1610116560518. Its totient is φ = 1610116560516.

The previous prime is 1610116560509. The next prime is 1610116560571. The reversal of 1610116560517 is 7150656110161.

Together with next prime (1610116560571) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1606977087556 + 3139472961 = 1267666^2 + 56031^2 .

It is a cyclic number.

It is not a de Polignac number, because 1610116560517 - 2³ = 1610116560509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1610116560517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1610116560817) 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, 805058280258 + 805058280259.

It is an arithmetic number, because the mean of its divisors is an integer number (805058280259).

Almost surely, 2^{1610116560517} is an apocalyptic number.

It is an amenable number.

1610116560517 is a deficient number, since it is larger than the sum of its proper divisors (1).

1610116560517 is an equidigital number, since it uses as much as digits as its factorization.

1610116560517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 40.

The spelling of 1610116560517 in words is "one trillion, six hundred ten billion, one hundred sixteen million, five hundred sixty thousand, five hundred seventeen".