5665505166501 has 16 divisors (see below), whose sum is σ = 7884337643520. Its totient is φ = 3611917053360.

The previous prime is 5665505166479. The next prime is 5665505166511. The reversal of 5665505166501 is 1056615055665.

It is not a de Polignac number, because 5665505166501 - 2¹³ = 5665505158309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5665505166511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9584245 + ... + 10158186.

It is an arithmetic number, because the mean of its divisors is an integer number (492771102720).

Almost surely, 2^{5665505166501} is an apocalyptic number.

It is an amenable number.

5665505166501 is a deficient number, since it is larger than the sum of its proper divisors (2218832477019).

5665505166501 is a wasteful number, since it uses less digits than its factorization.

5665505166501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19746616.

The product of its (nonzero) digits is 4050000, while the sum is 51.

The spelling of 5665505166501 in words is "five trillion, six hundred sixty-five billion, five hundred five million, one hundred sixty-six thousand, five hundred one".