2566105456 has 20 divisors (see below), whose sum is σ = 4972617000. Its totient is φ = 1282849472.

The previous prime is 2566105433. The next prime is 2566105457. The reversal of 2566105456 is 6545016652.

2566105456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2566105456² = 13169794422625935872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566105457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180330 + ... + 194038.

It is an arithmetic number, because the mean of its divisors is an integer number (248630850).

Almost surely, 2^2566105456 is an apocalyptic number.

It is an amenable number.

2566105456 is a deficient number, since it is larger than the sum of its proper divisors (2406511544).

2566105456 is a wasteful number, since it uses less digits than its factorization.

2566105456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25416 (or 25410 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The square root of 2566105456 is about 50656.7414664623. The cubic root of 2566105456 is about 1369.0674129802.

The spelling of 2566105456 in words is "two billion, five hundred sixty-six million, one hundred five thousand, four hundred fifty-six".