13161886560 has 96 divisors (see below), whose sum is σ = 46066618080. Its totient is φ = 3509835264.

The previous prime is 13161886559. The next prime is 13161886567. The reversal of 13161886560 is 6568816131.

13161886560 is a `hidden beast` number, since 1 + 3 + 1 + 6 + 1 + 8 + 86 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13161886567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1519047 + ... + 1527686.

It is an arithmetic number, because the mean of its divisors is an integer number (479860605).

Almost surely, 2^13161886560 is an apocalyptic number.

13161886560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13161886560 is an abundant number, since it is smaller than the sum of its proper divisors (32904731520).

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

13161886560 is a wasteful number, since it uses less digits than its factorization.

13161886560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3046757 (or 3046743 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

It can be divided in two parts, 1316 and 1886560, that added together give a square (1887876 = 1374²).

The spelling of 13161886560 in words is "thirteen billion, one hundred sixty-one million, eight hundred eighty-six thousand, five hundred sixty".