5666603 has 4 divisors (see below), whose sum is σ = 5698440. Its totient is φ = 5634768.

The previous prime is 5666599. The next prime is 5666621. The reversal of 5666603 is 3066665.

5666603 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 5666603 - 2² = 5666599 is a prime.

It is a super-2 number, since 2×5666603² = 64220779119218, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5666603.

It is not an unprimeable number, because it can be changed into a prime (5666623) 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, 15650 + ... + 16007.

It is an arithmetic number, because the mean of its divisors is an integer number (1424610).

Almost surely, 2^5666603 is an apocalyptic number.

5666603 is a deficient number, since it is larger than the sum of its proper divisors (31837).

5666603 is a wasteful number, since it uses less digits than its factorization.

5666603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31836.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 5666603 is about 2380.4627701353. The cubic root of 5666603 is about 178.2820403526.

The spelling of 5666603 in words is "five million, six hundred sixty-six thousand, six hundred three".