105616060665613 has 4 divisors (see below), whose sum is σ = 105618095983548. Its totient is φ = 105614025347680.

The previous prime is 105616060665611. The next prime is 105616060665641. The reversal of 105616060665613 is 316566060616501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11214977161129 + 94401083504484 = 3348877^2 + 9716022^2 .

It is a cyclic number.

It is not a de Polignac number, because 105616060665613 - 2¹ = 105616060665611 is a prime.

It is a super-2 number, since 2×105616060665613² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105616060665611) 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 in 3 ways as a sum of consecutive naturals, for example, 1017581128 + ... + 1017684913.

It is an arithmetic number, because the mean of its divisors is an integer number (26404523995887).

Almost surely, 2^{105616060665613} is an apocalyptic number.

It is an amenable number.

105616060665613 is a deficient number, since it is larger than the sum of its proper divisors (2035317935).

105616060665613 is an equidigital number, since it uses as much as digits as its factorization.

105616060665613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035317934.

The product of its (nonzero) digits is 3499200, while the sum is 52.

The spelling of 105616060665613 in words is "one hundred five trillion, six hundred sixteen billion, sixty million, six hundred sixty-five thousand, six hundred thirteen".