13358656899456 has 192 divisors, whose sum is σ = 39164871068400. Its totient is φ = 4031277465600.

The previous prime is 13358656899439. The next prime is 13358656899499. The reversal of 13358656899456 is 65499865685331.

13358656899456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10601340 + ... + 11794308.

Almost surely, 2^{13358656899456} is an apocalyptic number.

13358656899456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13358656899456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19582435534200).

13358656899456 is an abundant number, since it is smaller than the sum of its proper divisors (25806214168944).

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

13358656899456 is a wasteful number, since it uses less digits than its factorization.

13358656899456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193249 (or 1193226 counting only the distinct ones).

The product of its digits is 5038848000, while the sum is 78.

The spelling of 13358656899456 in words is "thirteen trillion, three hundred fifty-eight billion, six hundred fifty-six million, eight hundred ninety-nine thousand, four hundred fifty-six".