8183233920 has 512 divisors, whose sum is σ = 28553472000. Its totient is φ = 1988919296.

The previous prime is 8183233909. The next prime is 8183233939. The reversal of 8183233920 is 293323818.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 138698851 + ... + 138698909.

It is an arithmetic number, because the mean of its divisors is an integer number (55768500).

Almost surely, 2^8183233920 is an apocalyptic number.

8183233920 is a gapful number since it is divisible by the number (80) 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 8183233920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14276736000).

8183233920 is an abundant number, since it is smaller than the sum of its proper divisors (20370238080).

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

8183233920 is a wasteful number, since it uses less digits than its factorization.

8183233920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 8183233920 is about 90461.2288220760. The cubic root of 8183233920 is about 2015.1543757577.

The spelling of 8183233920 in words is "eight billion, one hundred eighty-three million, two hundred thirty-three thousand, nine hundred twenty".