13368901788 has 36 divisors (see below), whose sum is σ = 36865760568. Its totient is φ = 4051182240.

The previous prime is 13368901787. The next prime is 13368901801. The reversal of 13368901788 is 88710986331.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13368901787) 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, 16879531 + ... + 16880322.

Almost surely, 2^13368901788 is an apocalyptic number.

13368901788 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13368901788 is an abundant number, since it is smaller than the sum of its proper divisors (23496858780).

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

13368901788 is a wasteful number, since it uses less digits than its factorization.

13368901788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33759874 (or 33759869 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The spelling of 13368901788 in words is "thirteen billion, three hundred sixty-eight million, nine hundred one thousand, seven hundred eighty-eight".