164553 has 4 divisors (see below), whose sum is σ = 219408. Its totient is φ = 109700.

The previous prime is 164531. The next prime is 164569. The reversal of 164553 is 355461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 164553 - 2¹³ = 156361 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (164503) 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, 27423 + ... + 27428.

It is an arithmetic number, because the mean of its divisors is an integer number (54852).

2¹⁶⁴⁵⁵³ is an apocalyptic number.

It is an amenable number.

164553 is a deficient number, since it is larger than the sum of its proper divisors (54855).

164553 is an equidigital number, since it uses as much as digits as its factorization.

164553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54854.

The product of its digits is 1800, while the sum is 24.

The square root of 164553 is about 405.6513281132. The cubic root of 164553 is about 54.7984912650.

It can be divided in two parts, 164 and 553, that added together give a palindrome (717).

The spelling of 164553 in words is "one hundred sixty-four thousand, five hundred fifty-three".