13161004436 has 36 divisors (see below), whose sum is σ = 24640935732. Its totient is φ = 6148711296.

The previous prime is 13161004433. The next prime is 13161004459. The reversal of 13161004436 is 63440016131.

13161004436 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 2 ways, for example, as 8282820100 + 4878184336 = 91010^2 + 69844^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13161004399 and 13161004408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13161004433) 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 11 ways as a sum of consecutive naturals, for example, 42986 + ... + 167838.

It is an arithmetic number, because the mean of its divisors is an integer number (684470437).

Almost surely, 2^13161004436 is an apocalyptic number.

It is an amenable number.

13161004436 is a deficient number, since it is larger than the sum of its proper divisors (11479931296).

13161004436 is a wasteful number, since it uses less digits than its factorization.

13161004436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124968 (or 124947 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 13161004436 in words is "thirteen billion, one hundred sixty-one million, four thousand, four hundred thirty-six".