16545122634236 has 72 divisors (see below), whose sum is σ = 33789546924336. Its totient is φ = 7067953347840.

The previous prime is 16545122634203. The next prime is 16545122634307. The reversal of 16545122634236 is 63243622154561.

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, 372171386 + ... + 372215838.

It is an arithmetic number, because the mean of its divisors is an integer number (469299262838).

Almost surely, 2^{16545122634236} 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 16545122634236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16894773462168).

16545122634236 is an abundant number, since it is smaller than the sum of its proper divisors (17244424290100).

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

16545122634236 is a wasteful number, since it uses less digits than its factorization.

16545122634236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50539 (or 50530 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 50.

Adding to 16545122634236 its reverse (63243622154561), we get a palindrome (79788744788797).

The spelling of 16545122634236 in words is "sixteen trillion, five hundred forty-five billion, one hundred twenty-two million, six hundred thirty-four thousand, two hundred thirty-six".