164080537217 has 4 divisors (see below), whose sum is σ = 164089562436. Its totient is φ = 164071512000.

The previous prime is 164080537199. The next prime is 164080537261. The reversal of 164080537217 is 712735080461.

164080537217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 39270952561 + 124809584656 = 198169^2 + 353284^2 .

It is a cyclic number.

It is not a de Polignac number, because 164080537217 - 2¹² = 164080533121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164080537417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4485284 + ... + 4521717.

It is an arithmetic number, because the mean of its divisors is an integer number (41022390609).

Almost surely, 2^164080537217 is an apocalyptic number.

It is an amenable number.

164080537217 is a deficient number, since it is larger than the sum of its proper divisors (9025219).

164080537217 is an equidigital number, since it uses as much as digits as its factorization.

164080537217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9025218.

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 164080537217 in words is "one hundred sixty-four billion, eighty million, five hundred thirty-seven thousand, two hundred seventeen".