5716601721 has 6 divisors (see below), whose sum is σ = 8257313610. Its totient is φ = 3811067808.

The previous prime is 5716601701. The next prime is 5716601729. The reversal of 5716601721 is 1271066175.

5716601721 is a `hidden beast` number, since 571 + 6 + 60 + 1 + 7 + 21 = 666.

5716601721 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3676724496 + 2039877225 = 60636^2 + 45165^2 .

It is not a de Polignac number, because 5716601721 - 2¹⁴ = 5716585337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5716601729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 317588976 + ... + 317588993.

It is an arithmetic number, because the mean of its divisors is an integer number (1376218935).

Almost surely, 2^5716601721 is an apocalyptic number.

It is an amenable number.

5716601721 is a deficient number, since it is larger than the sum of its proper divisors (2540711889).

5716601721 is a wasteful number, since it uses less digits than its factorization.

5716601721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635177975 (or 635177972 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 5716601721 is about 75608.2119944653. The cubic root of 5716601721 is about 1788.0485710046.

Adding to 5716601721 its reverse (1271066175), we get a palindrome (6987667896).

The spelling of 5716601721 in words is "five billion, seven hundred sixteen million, six hundred one thousand, seven hundred twenty-one".