164744 has 8 divisors (see below), whose sum is σ = 308910. Its totient is φ = 82368.

The previous prime is 164743. The next prime is 164767. The reversal of 164744 is 447461.

It can be written as a sum of positive squares in only one way, i.e., 96100 + 68644 = 310^2 + 262^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (164743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10289 + ... + 10304.

2¹⁶⁴⁷⁴⁴ is an apocalyptic number.

It is an amenable number.

164744 is a deficient number, since it is larger than the sum of its proper divisors (144166).

164744 is a wasteful number, since it uses less digits than its factorization.

164744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20599 (or 20595 counting only the distinct ones).

The product of its digits is 2688, while the sum is 26.

The square root of 164744 is about 405.8866836939. The cubic root of 164744 is about 54.8196849734.

The spelling of 164744 in words is "one hundred sixty-four thousand, seven hundred forty-four".