164166592169 has 4 divisors (see below), whose sum is σ = 164168507844. Its totient is φ = 164164676496.

The previous prime is 164166592129. The next prime is 164166592181. The reversal of 164166592169 is 961295661461.

164166592169 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 127795525225 + 36371066944 = 357485^2 + 190712^2 .

It is a cyclic number.

It is not a de Polignac number, because 164166592169 - 2²⁰ = 164165543593 is a prime.

It is a super-2 number, since 2×164166592169² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164166592129) 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, 822962 + ... + 1002795.

It is an arithmetic number, because the mean of its divisors is an integer number (41042126961).

Almost surely, 2^164166592169 is an apocalyptic number.

It is an amenable number.

164166592169 is a deficient number, since it is larger than the sum of its proper divisors (1915675).

164166592169 is an equidigital number, since it uses as much as digits as its factorization.

164166592169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915674.

The product of its digits is 4199040, while the sum is 56.

The spelling of 164166592169 in words is "one hundred sixty-four billion, one hundred sixty-six million, five hundred ninety-two thousand, one hundred sixty-nine".