13888164672 has 84 divisors (see below), whose sum is σ = 41092095616. Its totient is φ = 4480047360.

The previous prime is 13888164659. The next prime is 13888164673. The reversal of 13888164672 is 27646188831.

It is a super-2 number, since 2×13888164672² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13888164673) 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, 371038 + ... + 406749.

Almost surely, 2^13888164672 is an apocalyptic number.

13888164672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13888164672 is an abundant number, since it is smaller than the sum of its proper divisors (27203930944).

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

13888164672 is a wasteful number, since it uses less digits than its factorization.

13888164672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777836 (or 777823 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The spelling of 13888164672 in words is "thirteen billion, eight hundred eighty-eight million, one hundred sixty-four thousand, six hundred seventy-two".