2666525543 has 32 divisors (see below), whose sum is σ = 3059804160. Its totient is φ = 2301840000.

The previous prime is 2666525527. The next prime is 2666525549. The reversal of 2666525543 is 3455256662.

It is not a de Polignac number, because 2666525543 - 2⁴ = 2666525527 is a prime.

It is a super-2 number, since 2×2666525543² = 14220716942942889698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2666525494 and 2666525503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666525549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4787021 + ... + 4787577.

It is an arithmetic number, because the mean of its divisors is an integer number (95618880).

Almost surely, 2^2666525543 is an apocalyptic number.

2666525543 is a deficient number, since it is larger than the sum of its proper divisors (393278617).

2666525543 is a wasteful number, since it uses less digits than its factorization.

2666525543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839.

The product of its digits is 1296000, while the sum is 44.

The square root of 2666525543 is about 51638.4115073266. The cubic root of 2666525543 is about 1386.6980858484.

The spelling of 2666525543 in words is "two billion, six hundred sixty-six million, five hundred twenty-five thousand, five hundred forty-three".