2320616656 has 80 divisors (see below), whose sum is σ = 4765944960. Its totient is φ = 1092994560.

The previous prime is 2320616633. The next prime is 2320616657. The reversal of 2320616656 is 6566160232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320616657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4613301 + ... + 4613803.

It is an arithmetic number, because the mean of its divisors is an integer number (59574312).

Almost surely, 2^2320616656 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 2320616656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2382972480).

2320616656 is an abundant number, since it is smaller than the sum of its proper divisors (2445328304).

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

2320616656 is a wasteful number, since it uses less digits than its factorization.

2320616656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 2320616656 is about 48172.7792015366. The cubic root of 2320616656 is about 1323.9384697722.

Adding to 2320616656 its reverse (6566160232), we get a palindrome (8886776888).

The spelling of 2320616656 in words is "two billion, three hundred twenty million, six hundred sixteen thousand, six hundred fifty-six".