164155 has 4 divisors (see below), whose sum is σ = 196992. Its totient is φ = 131320.

The previous prime is 164149. The next prime is 164173. The reversal of 164155 is 551461.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 164155 - 2³ = 164147 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16411 + ... + 16420.

It is an arithmetic number, because the mean of its divisors is an integer number (49248).

2¹⁶⁴¹⁵⁵ is an apocalyptic number.

164155 is a deficient number, since it is larger than the sum of its proper divisors (32837).

164155 is an equidigital number, since it uses as much as digits as its factorization.

164155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32836.

The product of its digits is 600, while the sum is 22.

The square root of 164155 is about 405.1604620394. The cubic root of 164155 is about 54.7542757098.

The spelling of 164155 in words is "one hundred sixty-four thousand, one hundred fifty-five".