2565160133164 has 6 divisors (see below), whose sum is σ = 4489030233044. Its totient is φ = 1282580066580.

The previous prime is 2565160133161. The next prime is 2565160133251. The reversal of 2565160133164 is 4613310615652.

It is a self number, because there is not a number n which added to its sum of digits gives 2565160133164.

It is not an unprimeable number, because it can be changed into a prime (2565160133161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320645016642 + ... + 320645016649.

Almost surely, 2^{2565160133164} is an apocalyptic number.

It is an amenable number.

2565160133164 is a deficient number, since it is larger than the sum of its proper divisors (1923870099880).

2565160133164 is a wasteful number, since it uses less digits than its factorization.

2565160133164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641290033295 (or 641290033293 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 2565160133164 in words is "two trillion, five hundred sixty-five billion, one hundred sixty million, one hundred thirty-three thousand, one hundred sixty-four".