164611009 has 8 divisors (see below), whose sum is σ = 169294400. Its totient is φ = 159966576.

The previous prime is 164610997. The next prime is 164611019. The reversal of 164611009 is 900116461.

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

It is a cyclic number.

It is not a de Polignac number, because 164611009 - 2¹³ = 164602817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164611019) 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, 1062 + ... + 18175.

It is an arithmetic number, because the mean of its divisors is an integer number (21161800).

Almost surely, 2^164611009 is an apocalyptic number.

It is an amenable number.

164611009 is a deficient number, since it is larger than the sum of its proper divisors (4683391).

164611009 is a wasteful number, since it uses less digits than its factorization.

164611009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19479.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 164611009 is about 12830.0821899160. The cubic root of 164611009 is about 548.0492978277.

The spelling of 164611009 in words is "one hundred sixty-four million, six hundred eleven thousand, nine".