164241005 has 4 divisors (see below), whose sum is σ = 197089212. Its totient is φ = 131392800.

The previous prime is 164240977. The next prime is 164241013. The reversal of 164241005 is 500142461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 90744676 + 73496329 = 9526^2 + 8573^2 .

It is not a de Polignac number, because 164241005 - 2²² = 160046701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16424096 + ... + 16424105.

It is an arithmetic number, because the mean of its divisors is an integer number (49272303).

Almost surely, 2^164241005 is an apocalyptic number.

It is an amenable number.

164241005 is a deficient number, since it is larger than the sum of its proper divisors (32848207).

164241005 is an equidigital number, since it uses as much as digits as its factorization.

164241005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32848206.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 164241005 is about 12815.6546847986. The cubic root of 164241005 is about 547.6383642846.

Adding to 164241005 its reverse (500142461), we get a palindrome (664383466).

The spelling of 164241005 in words is "one hundred sixty-four million, two hundred forty-one thousand, five".