13164568428445 has 24 divisors (see below), whose sum is σ = 18378152322264. Its totient is φ = 9026400974976.

The previous prime is 13164568428433. The next prime is 13164568428461. The reversal of 13164568428445 is 54482486546131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8416594564 + 13156151833881 = 91742^2 + 3627141^2 .

It is not a de Polignac number, because 13164568428445 - 2¹⁵ = 13164568395677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 860007 + ... + 5202763.

It is an arithmetic number, because the mean of its divisors is an integer number (765756346761).

Almost surely, 2^{13164568428445} is an apocalyptic number.

It is an amenable number.

13164568428445 is a deficient number, since it is larger than the sum of its proper divisors (5213583893819).

13164568428445 is a wasteful number, since it uses less digits than its factorization.

13164568428445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4355149 (or 4355142 counting only the distinct ones).

The product of its digits is 88473600, while the sum is 61.

The spelling of 13164568428445 in words is "thirteen trillion, one hundred sixty-four billion, five hundred sixty-eight million, four hundred twenty-eight thousand, four hundred forty-five".