165596 has 6 divisors (see below), whose sum is σ = 289800. Its totient is φ = 82796.

The previous prime is 165589. The next prime is 165601. The reversal of 165596 is 695561.

165596 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

165596 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20696 + ... + 20703.

It is an arithmetic number, because the mean of its divisors is an integer number (48300).

2¹⁶⁵⁵⁹⁶ is an apocalyptic number.

It is an amenable number.

165596 is a deficient number, since it is larger than the sum of its proper divisors (124204).

165596 is a wasteful number, since it uses less digits than its factorization.

165596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41403 (or 41401 counting only the distinct ones).

The product of its digits is 8100, while the sum is 32.

The square root of 165596 is about 406.9348842260. The cubic root of 165596 is about 54.9140254565.

The spelling of 165596 in words is "one hundred sixty-five thousand, five hundred ninety-six".