5666265623 has 4 divisors (see below), whose sum is σ = 5668196520. Its totient is φ = 5664334728.

The previous prime is 5666265607. The next prime is 5666265667. The reversal of 5666265623 is 3265626665.

5666265623 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5666265623 - 2⁴ = 5666265607 is a prime.

It is a super-4 number, since 4×5666265623⁴ (a number of 40 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5666265023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 961040 + ... + 966917.

It is an arithmetic number, because the mean of its divisors is an integer number (1417049130).

Almost surely, 2^5666265623 is an apocalyptic number.

5666265623 is a deficient number, since it is larger than the sum of its proper divisors (1930897).

5666265623 is a wasteful number, since it uses less digits than its factorization.

5666265623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930896.

The product of its digits is 2332800, while the sum is 47.

The square root of 5666265623 is about 75274.6014469688. The cubic root of 5666265623 is about 1782.7850210968.

The spelling of 5666265623 in words is "five billion, six hundred sixty-six million, two hundred sixty-five thousand, six hundred twenty-three".