13161365960 has 32 divisors (see below), whose sum is σ = 29645033400. Its totient is φ = 5258864640.

The previous prime is 13161365947. The next prime is 13161365963. The reversal of 13161365960 is 6956316131.

It can be written as a sum of positive squares in 4 ways, for example, as 10003600324 + 3157765636 = 100018^2 + 56194^2 .

It is not an unprimeable number, because it can be changed into a prime (13161365963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139931 + ... + 214250.

Almost surely, 2^13161365960 is an apocalyptic number.

13161365960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13161365960 is an abundant number, since it is smaller than the sum of its proper divisors (16483667440).

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

13161365960 is a wasteful number, since it uses less digits than its factorization.

13161365960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355121 (or 355117 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 41.

The spelling of 13161365960 in words is "thirteen billion, one hundred sixty-one million, three hundred sixty-five thousand, nine hundred sixty".