2566606552 has 32 divisors (see below), whose sum is σ = 5098975920. Its totient is φ = 1206983680.

The previous prime is 2566606543. The next prime is 2566606561. The reversal of 2566606552 is 2556066652.

It is an interprime number because it is at equal distance from previous prime (2566606543) and next prime (2566606561).

It is a junction number, because it is equal to n+sod(n) for n = 2566606499 and 2566606508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221052 + ... + 232372.

Almost surely, 2^2566606552 is an apocalyptic number.

It is an amenable number.

2566606552 is a deficient number, since it is larger than the sum of its proper divisors (2532369368).

2566606552 is a wasteful number, since it uses less digits than its factorization.

2566606552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13011 (or 13007 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 43.

The square root of 2566606552 is about 50661.6872202259. The cubic root of 2566606552 is about 1369.1565220167.

The spelling of 2566606552 in words is "two billion, five hundred sixty-six million, six hundred six thousand, five hundred fifty-two".