5661106610617 has 4 divisors (see below), whose sum is σ = 5661112441716. Its totient is φ = 5661100779520.

The previous prime is 5661106610597. The next prime is 5661106610629. The reversal of 5661106610617 is 7160166011665.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1385884599696 + 4275222010921 = 1177236^2 + 2067661^2 .

It is a cyclic number.

It is not a de Polignac number, because 5661106610617 - 2²³ = 5661098222009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5661106610657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1069768 + ... + 3530809.

It is an arithmetic number, because the mean of its divisors is an integer number (1415278110429).

Almost surely, 2^{5661106610617} is an apocalyptic number.

It is an amenable number.

5661106610617 is a deficient number, since it is larger than the sum of its proper divisors (5831099).

5661106610617 is a wasteful number, since it uses less digits than its factorization.

5661106610617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5831098.

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 5661106610617 in words is "five trillion, six hundred sixty-one billion, one hundred six million, six hundred ten thousand, six hundred seventeen".