13160532749 has 12 divisors (see below), whose sum is σ = 16486822044. Its totient is φ = 10412728704.

The previous prime is 13160532719. The next prime is 13160532769. The reversal of 13160532749 is 94723506131.

It can be written as a sum of positive squares in 2 ways, for example, as 6285635524 + 6874897225 = 79282^2 + 82915^2 .

It is not a de Polignac number, because 13160532749 - 2⁸ = 13160532493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13160532719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10329452 + ... + 10330725.

It is an arithmetic number, because the mean of its divisors is an integer number (1373901837).

Almost surely, 2^13160532749 is an apocalyptic number.

It is an amenable number.

13160532749 is a deficient number, since it is larger than the sum of its proper divisors (3326289295).

13160532749 is a wasteful number, since it uses less digits than its factorization.

13160532749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20660204 (or 20660197 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 13160532749 in words is "thirteen billion, one hundred sixty million, five hundred thirty-two thousand, seven hundred forty-nine".