16545113416 has 64 divisors (see below), whose sum is σ = 34706810880. Its totient is φ = 7342583040.

The previous prime is 16545113401. The next prime is 16545113419. The reversal of 16545113416 is 61431154561.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16545113419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489825 + ... + 522511.

It is an arithmetic number, because the mean of its divisors is an integer number (542293920).

Almost surely, 2^16545113416 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 16545113416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17353405440).

16545113416 is an abundant number, since it is smaller than the sum of its proper divisors (18161697464).

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

16545113416 is a wasteful number, since it uses less digits than its factorization.

16545113416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32894 (or 32890 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

Adding to 16545113416 its reverse (61431154561), we get a palindrome (77976267977).

The spelling of 16545113416 in words is "sixteen billion, five hundred forty-five million, one hundred thirteen thousand, four hundred sixteen".