2203056656 has 80 divisors (see below), whose sum is σ = 4748160384. Its totient is φ = 984901632.

The previous prime is 2203056619. The next prime is 2203056689. The reversal of 2203056656 is 6566503022.

It is a super-3 number, since 3×2203056656³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 981071 + ... + 983313.

Almost surely, 2^2203056656 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 2203056656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2374080192).

2203056656 is an abundant number, since it is smaller than the sum of its proper divisors (2545103728).

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

2203056656 is a wasteful number, since it uses less digits than its factorization.

2203056656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448 (or 2442 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 2203056656 is about 46936.7303505474. The cubic root of 2203056656 is about 1301.1935106265.

Adding to 2203056656 its reverse (6566503022), we get a palindrome (8769559678).

The spelling of 2203056656 in words is "two billion, two hundred three million, fifty-six thousand, six hundred fifty-six".