16018304616 has 192 divisors, whose sum is σ = 46933286400. Its totient is φ = 4919128704.

The previous prime is 16018304609. The next prime is 16018304633. The reversal of 16018304616 is 61640381061.

16018304616 is a `hidden beast` number, since 1 + 6 + 0 + 1 + 8 + 30 + 4 + 616 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18058525 + ... + 18059411.

It is an arithmetic number, because the mean of its divisors is an integer number (244444200).

Almost surely, 2^16018304616 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 16018304616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23466643200).

16018304616 is an abundant number, since it is smaller than the sum of its proper divisors (30914981784).

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

16018304616 is a wasteful number, since it uses less digits than its factorization.

16018304616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268 (or 1261 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

Adding to 16018304616 its reverse (61640381061), we get a palindrome (77658685677).

The spelling of 16018304616 in words is "sixteen billion, eighteen million, three hundred four thousand, six hundred sixteen".