13168468251 has 6 divisors (see below), whose sum is σ = 19021120820. Its totient is φ = 8778978828.

The previous prime is 13168468217. The next prime is 13168468289. The reversal of 13168468251 is 15286486131.

13168468251 is a `hidden beast` number, since 1 + 3 + 168 + 468 + 25 + 1 = 666.

It is not a de Polignac number, because 13168468251 - 2¹⁰ = 13168467227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13168468197 and 13168468206.

It is not an unprimeable number, because it can be changed into a prime (13168468211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 731581561 + ... + 731581578.

Almost surely, 2^13168468251 is an apocalyptic number.

13168468251 is a deficient number, since it is larger than the sum of its proper divisors (5852652569).

13168468251 is a wasteful number, since it uses less digits than its factorization.

13168468251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463163145 (or 1463163142 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The spelling of 13168468251 in words is "thirteen billion, one hundred sixty-eight million, four hundred sixty-eight thousand, two hundred fifty-one".