2565566116106 has 16 divisors (see below), whose sum is σ = 4399037623680. Its totient is φ = 1099297265040.

The previous prime is 2565566116097. The next prime is 2565566116133. The reversal of 2565566116106 is 6016116655652.

It is a happy number.

It is a super-2 number, since 2×2565566116106² (a number of 26 digits) contains 22 as substring.

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, 19186865 + ... + 19320116.

It is an arithmetic number, because the mean of its divisors is an integer number (274939851480).

Almost surely, 2^{2565566116106} is an apocalyptic number.

2565566116106 is a deficient number, since it is larger than the sum of its proper divisors (1833471507574).

2565566116106 is a wasteful number, since it uses less digits than its factorization.

2565566116106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38511749.

The product of its (nonzero) digits is 1944000, while the sum is 50.

The spelling of 2565566116106 in words is "two trillion, five hundred sixty-five billion, five hundred sixty-six million, one hundred sixteen thousand, one hundred six".