2103716816 has 40 divisors (see below), whose sum is σ = 4327312320. Its totient is φ = 987323904.

The previous prime is 2103716809. The next prime is 2103716837. The reversal of 2103716816 is 6186173012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92885 + ... + 113291.

It is an arithmetic number, because the mean of its divisors is an integer number (108182808).

Almost surely, 2^2103716816 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 2103716816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2163656160).

2103716816 is an abundant number, since it is smaller than the sum of its proper divisors (2223595504).

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

2103716816 is a wasteful number, since it uses less digits than its factorization.

2103716816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20811 (or 20805 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 2103716816 is about 45866.2928085539. The cubic root of 2103716816 is about 1281.3342240061.

Adding to 2103716816 its reverse (6186173012), we get a palindrome (8289889828).

The spelling of 2103716816 in words is "two billion, one hundred three million, seven hundred sixteen thousand, eight hundred sixteen".