5665844485665 has 192 divisors, whose sum is σ = 13144044566016. Its totient is φ = 2189405085696.

The previous prime is 5665844485603. The next prime is 5665844485751.

5665844485665 is a `hidden beast` number, since 5 + 6 + 6 + 5 + 84 + 4 + 485 + 6 + 65 = 666.

5665844485665 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5665844485665 - 2¹² = 5665844481569 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5665844485593 and 5665844485602.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1475914 + ... + 3675596.

It is an arithmetic number, because the mean of its divisors is an integer number (68458565448).

Almost surely, 2^{5665844485665} is an apocalyptic number.

It is an amenable number.

5665844485665 is an abundant number, since it is smaller than the sum of its proper divisors (7478200080351).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5665844485665 is a wasteful number, since it uses less digits than its factorization.

5665844485665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2199768 (or 2199765 counting only the distinct ones).

The product of its digits is 3317760000, while the sum is 72.

The spelling of 5665844485665 in words is "five trillion, six hundred sixty-five billion, eight hundred forty-four million, four hundred eighty-five thousand, six hundred sixty-five".