164479 has 4 divisors (see below), whose sum is σ = 187984. Its totient is φ = 140976.

The previous prime is 164477. The next prime is 164503. The reversal of 164479 is 974461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 974461 = 89 ⋅10949.

It is a cyclic number.

It is not a de Polignac number, because 164479 - 2¹ = 164477 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11742 + ... + 11755.

It is an arithmetic number, because the mean of its divisors is an integer number (46996).

2¹⁶⁴⁴⁷⁹ is an apocalyptic number.

164479 is a deficient number, since it is larger than the sum of its proper divisors (23505).

164479 is an equidigital number, since it uses as much as digits as its factorization.

164479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23504.

The product of its digits is 6048, while the sum is 31.

The square root of 164479 is about 405.5601065194. The cubic root of 164479 is about 54.7902756823.

The spelling of 164479 in words is "one hundred sixty-four thousand, four hundred seventy-nine".