4561813168 has 20 divisors (see below), whose sum is σ = 9642014568. Its totient is φ = 2073551360.

The previous prime is 4561813163. The next prime is 4561813171. The reversal of 4561813168 is 8613181654.

It is not an unprimeable number, because it can be changed into a prime (4561813163) 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, 12959521 + ... + 12959872.

Almost surely, 2^4561813168 is an apocalyptic number.

It is an amenable number.

4561813168 is an abundant number, since it is smaller than the sum of its proper divisors (5080201400).

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

4561813168 is a wasteful number, since it uses less digits than its factorization.

4561813168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25919412 (or 25919406 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The square root of 4561813168 is about 67541.1960806144. The cubic root of 4561813168 is about 1658.4886287223.

The spelling of 4561813168 in words is "four billion, five hundred sixty-one million, eight hundred thirteen thousand, one hundred sixty-eight".