13216372434944 has 192 divisors, whose sum is σ = 30557972390400. Its totient is φ = 5597559373824.

The previous prime is 13216372434911. The next prime is 13216372435121. The reversal of 13216372434944 is 44943427361231.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 642715607 + ... + 642736169.

It is an arithmetic number, because the mean of its divisors is an integer number (159156106200).

Almost surely, 2^{13216372434944} is an apocalyptic number.

13216372434944 is a gapful number since it is divisible by the number (14) 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 13216372434944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15278986195200).

13216372434944 is an abundant number, since it is smaller than the sum of its proper divisors (17341599955456).

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

13216372434944 is a wasteful number, since it uses less digits than its factorization.

13216372434944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21118 (or 21098 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 53.

The spelling of 13216372434944 in words is "thirteen trillion, two hundred sixteen billion, three hundred seventy-two million, four hundred thirty-four thousand, nine hundred forty-four".