2321716416 has 112 divisors (see below), whose sum is σ = 6436205568. Its totient is φ = 737228800.

The previous prime is 2321716399. The next prime is 2321716433. The reversal of 2321716416 is 6146171232.

It is an interprime number because it is at equal distance from previous prime (2321716399) and next prime (2321716433).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1239961 + ... + 1241831.

Almost surely, 2^2321716416 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 2321716416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3218102784).

2321716416 is an abundant number, since it is smaller than the sum of its proper divisors (4114489152).

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

2321716416 is a wasteful number, since it uses less digits than its factorization.

2321716416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190 (or 2180 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 2321716416 is about 48184.1925946674. The cubic root of 2321716416 is about 1324.1475786489.

Adding to 2321716416 its reverse (6146171232), we get a palindrome (8467887648).

The spelling of 2321716416 in words is "two billion, three hundred twenty-one million, seven hundred sixteen thousand, four hundred sixteen".