60665 has 8 divisors (see below), whose sum is σ = 79488. Its totient is φ = 44080.

The previous prime is 60661. The next prime is 60679. The reversal of 60665 is 56606.

It is a happy number.

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

It is not a de Polignac number, because 60665 - 2² = 60661 is a prime.

It is an Ulam number.

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 60665.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 60665.

It is not an unprimeable number, because it can be changed into a prime (60661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497 + ... + 606.

It is an arithmetic number, because the mean of its divisors is an integer number (9936).

2⁶⁰⁶⁶⁵ is an apocalyptic number.

It is an amenable number.

60665 is a deficient number, since it is larger than the sum of its proper divisors (18823).

60665 is a wasteful number, since it uses less digits than its factorization.

60665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 60665 is about 246.3026593441. The cubic root of 60665 is about 39.2927779506.

The spelling of 60665 in words is "sixty thousand, six hundred sixty-five".