164790 has 24 divisors (see below), whose sum is σ = 428688. Its totient is φ = 43920.

The previous prime is 164789. The next prime is 164809. The reversal of 164790 is 97461.

164790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 826 + ... + 1005.

It is an arithmetic number, because the mean of its divisors is an integer number (17862).

2¹⁶⁴⁷⁹⁰ is an apocalyptic number.

164790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164790 is an abundant number, since it is smaller than the sum of its proper divisors (263898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164790 is a wasteful number, since it uses less digits than its factorization.

164790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844 (or 1841 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 164790 is about 405.9433458009. The cubic root of 164790 is about 54.8247867694.

The spelling of 164790 in words is "one hundred sixty-four thousand, seven hundred ninety".