5666369 has 4 divisors (see below), whose sum is σ = 5701296. Its totient is φ = 5631444.

The previous prime is 5666347. The next prime is 5666377. The reversal of 5666369 is 9636665.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9636665 = 5 ⋅1927333.

It is a cyclic number.

It is not a de Polignac number, because 5666369 - 2¹² = 5662273 is a prime.

It is a super-2 number, since 2×5666369² = 64215475288322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5663369) 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 3 ways as a sum of consecutive naturals, for example, 17219 + ... + 17544.

It is an arithmetic number, because the mean of its divisors is an integer number (1425324).

Almost surely, 2^5666369 is an apocalyptic number.

It is an amenable number.

5666369 is a deficient number, since it is larger than the sum of its proper divisors (34927).

5666369 is a wasteful number, since it uses less digits than its factorization.

5666369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34926.

The product of its digits is 174960, while the sum is 41.

The square root of 5666369 is about 2380.4136195208. The cubic root of 5666369 is about 178.2795862914.

The spelling of 5666369 in words is "five million, six hundred sixty-six thousand, three hundred sixty-nine".