4561720568 has 16 divisors (see below), whose sum is σ = 9056357280. Its totient is φ = 2146691968.

The previous prime is 4561720567. The next prime is 4561720573. The reversal of 4561720568 is 8650271654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4561720567) 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, 16770896 + ... + 16771167.

It is an arithmetic number, because the mean of its divisors is an integer number (566022330).

Almost surely, 2^4561720568 is an apocalyptic number.

It is an amenable number.

4561720568 is a deficient number, since it is larger than the sum of its proper divisors (4494636712).

4561720568 is a wasteful number, since it uses less digits than its factorization.

4561720568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33542086 (or 33542082 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 4561720568 is about 67540.5105695833. The cubic root of 4561720568 is about 1658.4774067892.

The spelling of 4561720568 in words is "four billion, five hundred sixty-one million, seven hundred twenty thousand, five hundred sixty-eight".