2585560066 has 8 divisors (see below), whose sum is σ = 3880728720. Its totient is φ = 1291983828.

The previous prime is 2585560031. The next prime is 2585560079. The reversal of 2585560066 is 6600655852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394036 + ... + 400543.

It is an arithmetic number, because the mean of its divisors is an integer number (485091090).

Almost surely, 2^2585560066 is an apocalyptic number.

2585560066 is a deficient number, since it is larger than the sum of its proper divisors (1295168654).

2585560066 is a wasteful number, since it uses less digits than its factorization.

2585560066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796208.

The product of its (nonzero) digits is 432000, while the sum is 43.

The square root of 2585560066 is about 50848.4027871083. The cubic root of 2585560066 is about 1372.5185111466.

The spelling of 2585560066 in words is "two billion, five hundred eighty-five million, five hundred sixty thousand, sixty-six".