164534 has 4 divisors (see below), whose sum is σ = 246804. Its totient is φ = 82266.

The previous prime is 164531. The next prime is 164569. The reversal of 164534 is 435461.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41132 + ... + 41135.

It is an arithmetic number, because the mean of its divisors is an integer number (61701).

2¹⁶⁴⁵³⁴ is an apocalyptic number.

164534 is a deficient number, since it is larger than the sum of its proper divisors (82270).

164534 is an equidigital number, since it uses as much as digits as its factorization.

164534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82269.

The product of its digits is 1440, while the sum is 23.

The square root of 164534 is about 405.6279083101. The cubic root of 164534 is about 54.7963820937.

Adding to 164534 its reverse (435461), we get a palindrome (599995).

The spelling of 164534 in words is "one hundred sixty-four thousand, five hundred thirty-four".