164441289 has 24 divisors (see below), whose sum is σ = 234174688. Its totient is φ = 102620160.

The previous prime is 164441279. The next prime is 164441341. The reversal of 164441289 is 982144461.

164441289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164441289 - 2⁴ = 164441273 is a prime.

It is a super-3 number, since 3×164441289³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164441279) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 208554 + ... + 209340.

Almost surely, 2^164441289 is an apocalyptic number.

It is an amenable number.

164441289 is a deficient number, since it is larger than the sum of its proper divisors (69733399).

164441289 is a wasteful number, since it uses less digits than its factorization.

164441289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065 (or 1048 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 164441289 is about 12823.4663410484. The cubic root of 164441289 is about 547.8608800683.

The spelling of 164441289 in words is "one hundred sixty-four million, four hundred forty-one thousand, two hundred eighty-nine".