164346609 has 16 divisors (see below), whose sum is σ = 250744832. Its totient is φ = 93795408.

The previous prime is 164346607. The next prime is 164346613. The reversal of 164346609 is 906643461.

It is not a de Polignac number, because 164346609 - 2¹ = 164346607 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (164346601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14112 + ... + 22974.

It is an arithmetic number, because the mean of its divisors is an integer number (15671552).

Almost surely, 2^164346609 is an apocalyptic number.

It is an amenable number.

164346609 is a deficient number, since it is larger than the sum of its proper divisors (86398223).

164346609 is an equidigital number, since it uses as much as digits as its factorization.

164346609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9756.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 164346609 is about 12819.7741399761. The cubic root of 164346609 is about 547.7557129964.

The spelling of 164346609 in words is "one hundred sixty-four million, three hundred forty-six thousand, six hundred nine".