13168887864 has 48 divisors (see below), whose sum is σ = 36187241160. Its totient is φ = 3990571200.

The previous prime is 13168887863. The next prime is 13168887877. The reversal of 13168887864 is 46878886131.

It is a happy number.

It is a super-3 number, since 3×13168887864³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13168887798 and 13168887807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13168887863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2264467 + ... + 2270274.

Almost surely, 2^13168887864 is an apocalyptic number.

It is an amenable number.

13168887864 is an abundant number, since it is smaller than the sum of its proper divisors (23018353296).

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

13168887864 is a wasteful number, since it uses less digits than its factorization.

13168887864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4534772 (or 4534757 counting only the distinct ones).

The product of its digits is 12386304, while the sum is 60.

The spelling of 13168887864 in words is "thirteen billion, one hundred sixty-eight million, eight hundred eighty-seven thousand, eight hundred sixty-four".