13531520160 has 72 divisors (see below), whose sum is σ = 46176317460. Its totient is φ = 3608404992.

The previous prime is 13531520159. The next prime is 13531520221. The reversal of 13531520160 is 6102513531.

13531520160 is a `hidden beast` number, since 1 + 353 + 152 + 0 + 160 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13529411856 + 2108304 = 116316^2 + 1452^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4697005 + ... + 4699884.

Almost surely, 2^13531520160 is an apocalyptic number.

13531520160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13531520160 is an abundant number, since it is smaller than the sum of its proper divisors (32644797300).

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

13531520160 is a wasteful number, since it uses less digits than its factorization.

13531520160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9396910 (or 9396899 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The spelling of 13531520160 in words is "thirteen billion, five hundred thirty-one million, five hundred twenty thousand, one hundred sixty".