2466556556643 has 36 divisors (see below), whose sum is σ = 3700177949520. Its totient is φ = 1583244368832.

The previous prime is 2466556556627. The next prime is 2466556556663. The reversal of 2466556556643 is 3466556556642.

2466556556643 is a `hidden beast` number, since 2 + 4 + 6 + 6 + 5 + 5 + 65 + 566 + 4 + 3 = 666.

2466556556643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2466556556643 - 2⁴ = 2466556556627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2466556556623) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2263405 + ... + 3171137.

It is an arithmetic number, because the mean of its divisors is an integer number (102782720820).

Almost surely, 2^{2466556556643} is an apocalyptic number.

2466556556643 is a deficient number, since it is larger than the sum of its proper divisors (1233621392877).

2466556556643 is a wasteful number, since it uses less digits than its factorization.

2466556556643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908156 (or 908124 counting only the distinct ones).

The product of its digits is 466560000, while the sum is 63.

Subtracting 2466556556643 from its reverse (3466556556642), we obtain a palindrome (999999999999).

The spelling of 2466556556643 in words is "two trillion, four hundred sixty-six billion, five hundred fifty-six million, five hundred fifty-six thousand, six hundred forty-three".