2565414164 has 12 divisors (see below), whose sum is σ = 4565568000. Its totient is φ = 1260966168.

The previous prime is 2565414149. The next prime is 2565414169. The reversal of 2565414164 is 4614145652.

It is a happy number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 5434964 + ... + 5435435.

It is an arithmetic number, because the mean of its divisors is an integer number (380464000).

Almost surely, 2^2565414164 is an apocalyptic number.

It is an amenable number.

2565414164 is a deficient number, since it is larger than the sum of its proper divisors (2000153836).

2565414164 is a wasteful number, since it uses less digits than its factorization.

2565414164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10870462 (or 10870460 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 2565414164 is about 50649.9177097061. The cubic root of 2565414164 is about 1368.9444626747.

The spelling of 2565414164 in words is "two billion, five hundred sixty-five million, four hundred fourteen thousand, one hundred sixty-four".