164536 has 16 divisors (see below), whose sum is σ = 312840. Its totient is φ = 81120.

The previous prime is 164531. The next prime is 164569. The reversal of 164536 is 635461.

It is a self number, because there is not a number n which added to its sum of digits gives 164536.

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 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, 970 + ... + 1126.

2¹⁶⁴⁵³⁶ is an apocalyptic number.

It is an amenable number.

164536 is a deficient number, since it is larger than the sum of its proper divisors (148304).

164536 is a wasteful number, since it uses less digits than its factorization.

164536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294 (or 290 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 164536 is about 405.6303736162. The cubic root of 164536 is about 54.7966041194.

Adding to 164536 its reverse (635461), we get a palindrome (799997).

It can be divided in two parts, 1645 and 36, that added together give a square (1681 = 41²).

The spelling of 164536 in words is "one hundred sixty-four thousand, five hundred thirty-six".