5665165506534 has 16 divisors (see below), whose sum is σ = 11356619489280. Its totient is φ = 1884007089480.

The previous prime is 5665165506521. The next prime is 5665165506569. The reversal of 5665165506534 is 4356055615665.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1095350374 + ... + 1095355545.

It is an arithmetic number, because the mean of its divisors is an integer number (709788718080).

Almost surely, 2^{5665165506534} is an apocalyptic number.

5665165506534 is an abundant number, since it is smaller than the sum of its proper divisors (5691453982746).

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

5665165506534 is a wasteful number, since it uses less digits than its factorization.

5665165506534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190706355.

The product of its (nonzero) digits is 48600000, while the sum is 57.

The spelling of 5665165506534 in words is "five trillion, six hundred sixty-five billion, one hundred sixty-five million, five hundred six thousand, five hundred thirty-four".