13748443956216 has 128 divisors (see below), whose sum is σ = 39452812646400. Its totient is φ = 4431522424320.

The previous prime is 13748443956199. The next prime is 13748443956227. The reversal of 13748443956216 is 61265934484731.

13748443956216 is a `hidden beast` number, since 1 + 3 + 7 + 48 + 443 + 95 + 62 + 1 + 6 = 666.

It is a super-2 number, since 2×13748443956216² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7790800 + ... + 9391136.

It is an arithmetic number, because the mean of its divisors is an integer number (308225098800).

Almost surely, 2^{13748443956216} 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 13748443956216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19726406323200).

13748443956216 is an abundant number, since it is smaller than the sum of its proper divisors (25704368690184).

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

13748443956216 is a wasteful number, since it uses less digits than its factorization.

13748443956216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601666 (or 1601656 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 63.

The spelling of 13748443956216 in words is "thirteen trillion, seven hundred forty-eight billion, four hundred forty-three million, nine hundred fifty-six thousand, two hundred sixteen".