2565730168 has 32 divisors (see below), whose sum is σ = 5180079600. Its totient is φ = 1186934272.

The previous prime is 2565730099. The next prime is 2565730177. The reversal of 2565730168 is 8610375652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151855 + ... + 167902.

Almost surely, 2^2565730168 is an apocalyptic number.

It is an amenable number.

2565730168 is an abundant number, since it is smaller than the sum of its proper divisors (2614349432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2565730168 is a wasteful number, since it uses less digits than its factorization.

2565730168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319839 (or 319835 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 2565730168 is about 50653.0371053898. The cubic root of 2565730168 is about 1369.0006685655. Note that the first 3 decimals are identical.

The spelling of 2565730168 in words is "two billion, five hundred sixty-five million, seven hundred thirty thousand, one hundred sixty-eight".