2545261168 has 20 divisors (see below), whose sum is σ = 4932226728. Its totient is φ = 1272428480.

The previous prime is 2545261163. The next prime is 2545261177. The reversal of 2545261168 is 8611625452.

It is a self number, because there is not a number n which added to its sum of digits gives 2545261168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545261163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184263 + ... + 197593.

Almost surely, 2^2545261168 is an apocalyptic number.

It is an amenable number.

2545261168 is a deficient number, since it is larger than the sum of its proper divisors (2386965560).

2545261168 is a wasteful number, since it uses less digits than its factorization.

2545261168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25272 (or 25266 counting only the distinct ones).

The product of its digits is 115200, while the sum is 40.

The square root of 2545261168 is about 50450.5814436266. The cubic root of 2545261168 is about 1365.3503853470.

The spelling of 2545261168 in words is "two billion, five hundred forty-five million, two hundred sixty-one thousand, one hundred sixty-eight".