5666299 has 4 divisors (see below), whose sum is σ = 5685064. Its totient is φ = 5647536.

The previous prime is 5666279. The next prime is 5666317. The reversal of 5666299 is 9926665.

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 5666299 - 2⁵ = 5666267 is a prime.

It is a d-powerful number, because it can be written as 5⁷ + 6² + 6³ + 6⁷ + 2¹⁹ + 9³ + 9⁷ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5666209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8922 + ... + 9535.

It is an arithmetic number, because the mean of its divisors is an integer number (1421266).

Almost surely, 2^5666299 is an apocalyptic number.

5666299 is a deficient number, since it is larger than the sum of its proper divisors (18765).

5666299 is a wasteful number, since it uses less digits than its factorization.

5666299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18764.

The product of its digits is 174960, while the sum is 43.

The square root of 5666299 is about 2380.3989161483. The cubic root of 5666299 is about 178.2788521574.

The spelling of 5666299 in words is "five million, six hundred sixty-six thousand, two hundred ninety-nine".