164111 has 4 divisors (see below), whose sum is σ = 169800. Its totient is φ = 158424.

The previous prime is 164093. The next prime is 164113. The reversal of 164111 is 111461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111461 = 7 ⋅15923.

It is a cyclic number.

It is not a de Polignac number, because 164111 - 2¹⁴ = 147727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2801 + ... + 2858.

It is an arithmetic number, because the mean of its divisors is an integer number (42450).

2¹⁶⁴¹¹¹ is an apocalyptic number.

164111 is a deficient number, since it is larger than the sum of its proper divisors (5689).

164111 is an equidigital number, since it uses as much as digits as its factorization.

164111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5688.

The product of its digits is 24, while the sum is 14.

The square root of 164111 is about 405.1061589263. The cubic root of 164111 is about 54.7493831724.

Adding to 164111 its reverse (111461), we get a palindrome (275572).

Subtracting from 164111 its reverse (111461), we obtain a triangular number (52650 = T₃₂₄).

The spelling of 164111 in words is "one hundred sixty-four thousand, one hundred eleven".