2566164605 has 16 divisors (see below), whose sum is σ = 3259401600. Its totient is φ = 1934124480.

The previous prime is 2566164551. The next prime is 2566164607. The reversal of 2566164605 is 5064616652.

2566164605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2566164605 - 2¹⁰ = 2566163581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566164607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57425 + ... + 91814.

It is an arithmetic number, because the mean of its divisors is an integer number (203712600).

Almost surely, 2^2566164605 is an apocalyptic number.

It is an amenable number.

2566164605 is a deficient number, since it is larger than the sum of its proper divisors (693236995).

2566164605 is a wasteful number, since it uses less digits than its factorization.

2566164605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149444.

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 2566164605 is about 50657.3252847009. The cubic root of 2566164605 is about 1369.0779319486.

The spelling of 2566164605 in words is "two billion, five hundred sixty-six million, one hundred sixty-four thousand, six hundred five".