13165245396 has 18 divisors (see below), whose sum is σ = 33278814842. Its totient is φ = 4388415120.

The previous prime is 13165245377. The next prime is 13165245397. The reversal of 13165245396 is 69354256131.

13165245396 is a `hidden beast` number, since 1 + 3 + 16 + 5 + 245 + 396 = 666.

13165245396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 13004209296 + 161036100 = 114036^2 + 12690^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13165245397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 182850595 + ... + 182850666.

Almost surely, 2^13165245396 is an apocalyptic number.

It is an amenable number.

13165245396 is an abundant number, since it is smaller than the sum of its proper divisors (20113569446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13165245396 is a wasteful number, since it uses less digits than its factorization.

13165245396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365701271 (or 365701266 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The spelling of 13165245396 in words is "thirteen billion, one hundred sixty-five million, two hundred forty-five thousand, three hundred ninety-six".