13521410161 has 8 divisors (see below), whose sum is σ = 15589793664. Its totient is φ = 11487215040.

The previous prime is 13521410159. The next prime is 13521410197. The reversal of 13521410161 is 16101412531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13521410161 - 2¹ = 13521410159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13521410141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8546245 + ... + 8547826.

It is an arithmetic number, because the mean of its divisors is an integer number (1948724208).

Almost surely, 2^13521410161 is an apocalyptic number.

It is an amenable number.

13521410161 is a deficient number, since it is larger than the sum of its proper divisors (2068383503).

13521410161 is a wasteful number, since it uses less digits than its factorization.

13521410161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17094191.

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 13521410161 its reverse (16101412531), we get a palindrome (29622822692).

The spelling of 13521410161 in words is "thirteen billion, five hundred twenty-one million, four hundred ten thousand, one hundred sixty-one".