665114 has 16 divisors (see below), whose sum is σ = 1097280. Its totient is φ = 300960.

The previous prime is 665113. The next prime is 665117. The reversal of 665114 is 411566.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 665114.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 665114.

It is not an unprimeable number, because it can be changed into a prime (665111) 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, 494 + ... + 1254.

It is an arithmetic number, because the mean of its divisors is an integer number (68580).

2⁶⁶⁵¹¹⁴ is an apocalyptic number.

665114 is a deficient number, since it is larger than the sum of its proper divisors (432166).

665114 is a wasteful number, since it uses less digits than its factorization.

665114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805.

The product of its digits is 720, while the sum is 23.

The square root of 665114 is about 815.5452164043. The cubic root of 665114 is about 87.2901747919.

The spelling of 665114 in words is "six hundred sixty-five thousand, one hundred fourteen".