16363343121204 has 96 divisors (see below), whose sum is σ = 39971153376000. Its totient is φ = 5203508760576.

The previous prime is 16363343121161. The next prime is 16363343121217. The reversal of 16363343121204 is 40212134336361.

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, 13016772 + ... + 14218404.

It is an arithmetic number, because the mean of its divisors is an integer number (416366181000).

Almost surely, 2^{16363343121204} 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 16363343121204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19985576688000).

16363343121204 is an abundant number, since it is smaller than the sum of its proper divisors (23607810254796).

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

16363343121204 is a wasteful number, since it uses less digits than its factorization.

16363343121204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202137 (or 1202135 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 39.

Adding to 16363343121204 its reverse (40212134336361), we get a palindrome (56575477457565).

The spelling of 16363343121204 in words is "sixteen trillion, three hundred sixty-three billion, three hundred forty-three million, one hundred twenty-one thousand, two hundred four".