164044 has 6 divisors (see below), whose sum is σ = 287084. Its totient is φ = 82020.

The previous prime is 164039. The next prime is 164051. The reversal of 164044 is 440461.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20502 + ... + 20509.

2¹⁶⁴⁰⁴⁴ is an apocalyptic number.

It is an amenable number.

164044 is a deficient number, since it is larger than the sum of its proper divisors (123040).

164044 is a wasteful number, since it uses less digits than its factorization.

164044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41015 (or 41013 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 164044 is about 405.0234561109. The cubic root of 164044 is about 54.7419314924.

Subtracting from 164044 its sum of digits (19), we obtain a square (164025 = 405²).

The spelling of 164044 in words is "one hundred sixty-four thousand, forty-four".