13228841668 has 96 divisors (see below), whose sum is σ = 27940290560. Its totient is φ = 5361707520.

The previous prime is 13228841629. The next prime is 13228841671. The reversal of 13228841668 is 86614882231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7061980 + ... + 7063852.

Almost surely, 2^13228841668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13228841668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13970145280).

13228841668 is an abundant number, since it is smaller than the sum of its proper divisors (14711448892).

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

13228841668 is a wasteful number, since it uses less digits than its factorization.

13228841668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097 (or 2095 counting only the distinct ones).

The product of its digits is 884736, while the sum is 49.

The spelling of 13228841668 in words is "thirteen billion, two hundred twenty-eight million, eight hundred forty-one thousand, six hundred sixty-eight".