5611665 has 8 divisors (see below), whose sum is σ = 8978688. Its totient is φ = 2992880.

The previous prime is 5611663. The next prime is 5611681. The reversal of 5611665 is 5661165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5611665 - 2¹ = 5611663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5611663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187041 + ... + 187070.

It is an arithmetic number, because the mean of its divisors is an integer number (1122336).

Almost surely, 2^5611665 is an apocalyptic number.

It is an amenable number.

5611665 is a deficient number, since it is larger than the sum of its proper divisors (3367023).

5611665 is a wasteful number, since it uses less digits than its factorization.

5611665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374119.

The product of its digits is 5400, while the sum is 30.

The square root of 5611665 is about 2368.8953121656. The cubic root of 5611665 is about 177.7040172161.

The spelling of 5611665 in words is "five million, six hundred eleven thousand, six hundred sixty-five".