5665561061686 has 8 divisors (see below), whose sum is σ = 8499375352944. Its totient is φ = 2832435944040.

The previous prime is 5665561061659. The next prime is 5665561061701. The reversal of 5665561061686 is 6861601655665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172272850 + ... + 172305733.

It is an arithmetic number, because the mean of its divisors is an integer number (1062421919118).

Almost surely, 2^{5665561061686} is an apocalyptic number.

5665561061686 is a deficient number, since it is larger than the sum of its proper divisors (2833814291258).

5665561061686 is a wasteful number, since it uses less digits than its factorization.

5665561061686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344586806.

The product of its (nonzero) digits is 46656000, while the sum is 61.

The spelling of 5665561061686 in words is "five trillion, six hundred sixty-five billion, five hundred sixty-one million, sixty-one thousand, six hundred eighty-six".