32665 has 8 divisors (see below), whose sum is σ = 40320. Its totient is φ = 25392.

The previous prime is 32653. The next prime is 32687. The reversal of 32665 is 56623.

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

It is a cyclic number.

It is not a de Polignac number, because 32665 - 2⁵ = 32633 is a prime.

32665 is a lucky number.

It is a nialpdrome in base 8.

It is an unprimeable number.

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, 166 + ... + 304.

It is an arithmetic number, because the mean of its divisors is an integer number (5040).

2³²⁶⁶⁵ is an apocalyptic number.

It is an amenable number.

32665 is a deficient number, since it is larger than the sum of its proper divisors (7655).

32665 is a wasteful number, since it uses less digits than its factorization.

32665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191.

The product of its digits is 1080, while the sum is 22.

The square root of 32665 is about 180.7346120697. The cubic root of 32665 is about 31.9664361624.

The spelling of 32665 in words is "thirty-two thousand, six hundred sixty-five".