164728 has 16 divisors (see below), whose sum is σ = 315000. Its totient is φ = 80736.

The previous prime is 164707. The next prime is 164729. The reversal of 164728 is 827461.

164728 is nontrivially palindromic in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 164696 and 164705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164729) 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, 298 + ... + 646.

2¹⁶⁴⁷²⁸ is an apocalyptic number.

It is an amenable number.

164728 is a deficient number, since it is larger than the sum of its proper divisors (150272).

164728 is a wasteful number, since it uses less digits than its factorization.

164728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414 (or 410 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 164728 is about 405.8669732807. The cubic root of 164728 is about 54.8179102131.

The spelling of 164728 in words is "one hundred sixty-four thousand, seven hundred twenty-eight".