164524889329 has 4 divisors (see below), whose sum is σ = 164996307700. Its totient is φ = 164053470960.

The previous prime is 164524889317. The next prime is 164524889381. The reversal of 164524889329 is 923988425461.

164524889329 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, and also an emirpimes, since its reverse is a distinct semiprime: 923988425461 = 163 ⋅5668640647.

It can be written as a sum of positive squares in 2 ways, for example, as 135641207025 + 28883682304 = 368295^2 + 169952^2 .

It is a cyclic number.

It is not a de Polignac number, because 164524889329 - 2⁹ = 164524888817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164524889029) 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, 235708662 + ... + 235709359.

It is an arithmetic number, because the mean of its divisors is an integer number (41249076925).

Almost surely, 2^164524889329 is an apocalyptic number.

It is an amenable number.

164524889329 is a deficient number, since it is larger than the sum of its proper divisors (471418371).

164524889329 is an equidigital number, since it uses as much as digits as its factorization.

164524889329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471418370.

The product of its digits is 29859840, while the sum is 61.

The spelling of 164524889329 in words is "one hundred sixty-four billion, five hundred twenty-four million, eight hundred eighty-nine thousand, three hundred twenty-nine".