13321617234216 has 16 divisors (see below), whose sum is σ = 33304043085600. Its totient is φ = 4440539078064.

The previous prime is 13321617234119. The next prime is 13321617234269. The reversal of 13321617234216 is 61243271612331.

It is a super-2 number, since 2×13321617234216² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277533692356 + ... + 277533692403.

It is an arithmetic number, because the mean of its divisors is an integer number (2081502692850).

Almost surely, 2^{13321617234216} is an apocalyptic number.

It is an amenable number.

13321617234216 is an abundant number, since it is smaller than the sum of its proper divisors (19982425851384).

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

13321617234216 is a wasteful number, since it uses less digits than its factorization.

13321617234216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555067384768 (or 555067384764 counting only the distinct ones).

The product of its digits is 217728, while the sum is 42.

Adding to 13321617234216 its reverse (61243271612331), we get a palindrome (74564888846547).

The spelling of 13321617234216 in words is "thirteen trillion, three hundred twenty-one billion, six hundred seventeen million, two hundred thirty-four thousand, two hundred sixteen".