2651145568 has 24 divisors (see below), whose sum is σ = 5222922768. Its totient is φ = 1324689024.

The previous prime is 2651145557. The next prime is 2651145569. The reversal of 2651145568 is 8655411562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2651145569) 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, 22530 + ... + 76222.

It is an arithmetic number, because the mean of its divisors is an integer number (217621782).

Almost surely, 2^2651145568 is an apocalyptic number.

It is an amenable number.

2651145568 is a deficient number, since it is larger than the sum of its proper divisors (2571777200).

2651145568 is a wasteful number, since it uses less digits than its factorization.

2651145568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55246 (or 55238 counting only the distinct ones).

The product of its digits is 288000, while the sum is 43.

The square root of 2651145568 is about 51489.2762427284. The cubic root of 2651145568 is about 1384.0268797613.

The spelling of 2651145568 in words is "two billion, six hundred fifty-one million, one hundred forty-five thousand, five hundred sixty-eight".