2103616256 has 72 divisors (see below), whose sum is σ = 4897015200. Its totient is φ = 901512192.

The previous prime is 2103616247. The next prime is 2103616289. The reversal of 2103616256 is 6526163012.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 75830 + ... + 99786.

It is an arithmetic number, because the mean of its divisors is an integer number (68014100).

Almost surely, 2^2103616256 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 2103616256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2448507600).

2103616256 is an abundant number, since it is smaller than the sum of its proper divisors (2793398944).

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

2103616256 is an frugal number, since it uses more digits than its factorization.

2103616256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23994 (or 23966 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 2103616256 is about 45865.1965655877. The cubic root of 2103616256 is about 1281.3138072811.

Adding to 2103616256 its reverse (6526163012), we get a palindrome (8629779268).

The spelling of 2103616256 in words is "two billion, one hundred three million, six hundred sixteen thousand, two hundred fifty-six".