2643116203 has 48 divisors (see below), whose sum is σ = 3446440704. Its totient is φ = 2006968320.

The previous prime is 2643116137. The next prime is 2643116207. The reversal of 2643116203 is 3026113462.

It is not a de Polignac number, because 2643116203 - 2⁹ = 2643115691 is a prime.

It is a super-2 number, since 2×2643116203² = 13972126525122274418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2643116207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2704851 + ... + 2705827.

It is an arithmetic number, because the mean of its divisors is an integer number (71800848).

Almost surely, 2^2643116203 is an apocalyptic number.

2643116203 is a deficient number, since it is larger than the sum of its proper divisors (803324501).

2643116203 is a wasteful number, since it uses less digits than its factorization.

2643116203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172 (or 1165 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 2643116203 is about 51411.2458806437. The cubic root of 2643116203 is about 1382.6282271708.

Adding to 2643116203 its reverse (3026113462), we get a palindrome (5669229665).

The spelling of 2643116203 in words is "two billion, six hundred forty-three million, one hundred sixteen thousand, two hundred three".