164099 has 6 divisors (see below), whose sum is σ = 177876. Its totient is φ = 151320.

The previous prime is 164093. The next prime is 164113. The reversal of 164099 is 990461.

It is not a de Polignac number, because 164099 - 2¹⁶ = 98563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 317 + ... + 654.

It is an arithmetic number, because the mean of its divisors is an integer number (29646).

2¹⁶⁴⁰⁹⁹ is an apocalyptic number.

164099 is a deficient number, since it is larger than the sum of its proper divisors (13777).

164099 is an equidigital number, since it uses as much as digits as its factorization.

164099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997 (or 984 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 164099 is about 405.0913477230. The cubic root of 164099 is about 54.7480486923.

The spelling of 164099 in words is "one hundred sixty-four thousand, ninety-nine".