2203744816 has 320 divisors, whose sum is σ = 5999616000. Its totient is φ = 774918144.

The previous prime is 2203744723. The next prime is 2203744847. The reversal of 2203744816 is 6184473022.

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, 27895465 + ... + 27895543.

It is an arithmetic number, because the mean of its divisors is an integer number (18748800).

Almost surely, 2^2203744816 is an apocalyptic number.

2203744816 is a gapful number since it is divisible by the number (26) 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 2203744816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2999808000).

2203744816 is an abundant number, since it is smaller than the sum of its proper divisors (3795871184).

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

2203744816 is a wasteful number, since it uses less digits than its factorization.

2203744816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 2203744816 is about 46944.0604975752. The cubic root of 2203744816 is about 1301.3289793938.

The spelling of 2203744816 in words is "two billion, two hundred three million, seven hundred forty-four thousand, eight hundred sixteen".