5618165 has 16 divisors (see below), whose sum is σ = 7886208. Its totient is φ = 3761856.

The previous prime is 5618149. The next prime is 5618183.

It is a happy number.

5618165 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5618165 - 2⁴ = 5618149 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 362 + ... + 3371.

It is an arithmetic number, because the mean of its divisors is an integer number (492888).

Almost surely, 2^5618165 is an apocalyptic number.

It is an amenable number.

5618165 is a deficient number, since it is larger than the sum of its proper divisors (2268043).

5618165 is a wasteful number, since it uses less digits than its factorization.

5618165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3788.

The product of its digits is 7200, while the sum is 32.

The square root of 5618165 is about 2370.2668626127. The cubic root of 5618165 is about 177.7726023522.

The spelling of 5618165 in words is "five million, six hundred eighteen thousand, one hundred sixty-five".