9018383616 has 432 divisors, whose sum is σ = 30142949760. Its totient is φ = 2656051200.

The previous prime is 9018383579. The next prime is 9018383623. The reversal of 9018383616 is 6163838109.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

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, 34290301 + ... + 34290563.

Almost surely, 2^9018383616 is an apocalyptic number.

9018383616 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9018383616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15071474880).

9018383616 is an abundant number, since it is smaller than the sum of its proper divisors (21124566144).

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

9018383616 is a wasteful number, since it uses less digits than its factorization.

9018383616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 9018383616 is about 94965.1705416254. The cubic root of 9018383616 is about 2081.4991362177.

The spelling of 9018383616 in words is "nine billion, eighteen million, three hundred eighty-three thousand, six hundred sixteen".