164109 has 8 divisors (see below), whose sum is σ = 238752. Its totient is φ = 99440.

The previous prime is 164093. The next prime is 164113. The reversal of 164109 is 901461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 164109 - 2⁴ = 164093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2454 + ... + 2519.

It is an arithmetic number, because the mean of its divisors is an integer number (29844).

2¹⁶⁴¹⁰⁹ is an apocalyptic number.

It is an amenable number.

164109 is a deficient number, since it is larger than the sum of its proper divisors (74643).

164109 is a wasteful number, since it uses less digits than its factorization.

164109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4987.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 164109 is about 405.1036904300. The cubic root of 164109 is about 54.7491607636.

The spelling of 164109 in words is "one hundred sixty-four thousand, one hundred nine".