13520410168 has 16 divisors (see below), whose sum is σ = 25433349480. Its totient is φ = 6738183648.

The previous prime is 13520410159. The next prime is 13520410181. The reversal of 13520410168 is 86101402531.

It is a super-2 number, since 2×13520410168² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2750071 + ... + 2754982.

Almost surely, 2^13520410168 is an apocalyptic number.

It is an amenable number.

13520410168 is a deficient number, since it is larger than the sum of its proper divisors (11912939312).

13520410168 is a wasteful number, since it uses less digits than its factorization.

13520410168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5505366 (or 5505362 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

Adding to 13520410168 its reverse (86101402531), we get a palindrome (99621812699).

The spelling of 13520410168 in words is "thirteen billion, five hundred twenty million, four hundred ten thousand, one hundred sixty-eight".