2565414163 has 16 divisors (see below), whose sum is σ = 2818009600. Its totient is φ = 2321148960.

The previous prime is 2565414149. The next prime is 2565414169. The reversal of 2565414163 is 3614145652.

It is not a de Polignac number, because 2565414163 - 2⁹ = 2565413651 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2565414169) 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, 133768 + ... + 151738.

It is an arithmetic number, because the mean of its divisors is an integer number (176125600).

Almost surely, 2^2565414163 is an apocalyptic number.

2565414163 is a deficient number, since it is larger than the sum of its proper divisors (252595437).

2565414163 is a wasteful number, since it uses less digits than its factorization.

2565414163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18202.

The product of its digits is 86400, while the sum is 37.

The square root of 2565414163 is about 50649.9176998344. The cubic root of 2565414163 is about 1368.9444624968.

The spelling of 2565414163 in words is "two billion, five hundred sixty-five million, four hundred fourteen thousand, one hundred sixty-three".