5666913 has 24 divisors (see below), whose sum is σ = 9417408. Its totient is φ = 3216672.

The previous prime is 5666911. The next prime is 5666939. The reversal of 5666913 is 3196665.

It is not a de Polignac number, because 5666913 - 2¹ = 5666911 is a prime.

It is a super-2 number, since 2×5666913² = 64227805899138, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5666911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18306 + ... + 18612.

It is an arithmetic number, because the mean of its divisors is an integer number (392392).

Almost surely, 2^5666913 is an apocalyptic number.

It is an amenable number.

5666913 is a deficient number, since it is larger than the sum of its proper divisors (3750495).

5666913 is a wasteful number, since it uses less digits than its factorization.

5666913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613 (or 610 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 5666913 is about 2380.5278826344. The cubic root of 5666913 is about 178.2852913553.

The spelling of 5666913 in words is "five million, six hundred sixty-six thousand, nine hundred thirteen".