162609 has 8 divisors (see below), whose sum is σ = 220320. Its totient is φ = 106656.

The previous prime is 162601. The next prime is 162611. The reversal of 162609 is 906261.

162609 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 162609 - 2³ = 162601 is a prime.

162609 is strictly pandigital in base 7.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162601) 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, 204 + ... + 605.

It is an arithmetic number, because the mean of its divisors is an integer number (27540).

2¹⁶²⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

162609 is a deficient number, since it is larger than the sum of its proper divisors (57711).

162609 is an equidigital number, since it uses as much as digits as its factorization.

162609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 162609 is about 403.2480626116. The cubic root of 162609 is about 54.5818426387.

The spelling of 162609 in words is "one hundred sixty-two thousand, six hundred nine".