13168508689 has 8 divisors (see below), whose sum is σ = 15060282048. Its totient is φ = 11279374800.

The previous prime is 13168508653. The next prime is 13168508707. The reversal of 13168508689 is 98680586131.

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

It is a cyclic number.

It is not a de Polignac number, because 13168508689 - 2¹⁷ = 13168377617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13168508189) 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, 649162 + ... + 669139.

It is an arithmetic number, because the mean of its divisors is an integer number (1882535256).

Almost surely, 2^13168508689 is an apocalyptic number.

It is an amenable number.

13168508689 is a deficient number, since it is larger than the sum of its proper divisors (1891773359).

13168508689 is a wasteful number, since it uses less digits than its factorization.

13168508689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319735.

The product of its (nonzero) digits is 2488320, while the sum is 55.

The spelling of 13168508689 in words is "thirteen billion, one hundred sixty-eight million, five hundred eight thousand, six hundred eighty-nine".