6016066555721 has 4 divisors (see below), whose sum is σ = 6088549285392. Its totient is φ = 5943583826052.

The previous prime is 6016066555699. The next prime is 6016066555769. The reversal of 6016066555721 is 1275556606106.

6016066555721 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6016066555721 - 2⁶ = 6016066555657 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6016066555721.

It is not an unprimeable number, because it can be changed into a prime (6016066575721) 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, 36241364711 + ... + 36241364876.

It is an arithmetic number, because the mean of its divisors is an integer number (1522137321348).

Almost surely, 2^{6016066555721} is an apocalyptic number.

It is an amenable number.

6016066555721 is a deficient number, since it is larger than the sum of its proper divisors (72482729671).

6016066555721 is an equidigital number, since it uses as much as digits as its factorization.

6016066555721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72482729670.

The product of its (nonzero) digits is 2268000, while the sum is 50.

The spelling of 6016066555721 in words is "six trillion, sixteen billion, sixty-six million, five hundred fifty-five thousand, seven hundred twenty-one".