6005515516661 has 8 divisors (see below), whose sum is σ = 6010307731584. Its totient is φ = 6000723585360.

The previous prime is 6005515516643. The next prime is 6005515516709. The reversal of 6005515516661 is 1666155155006.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6005515516661 - 2¹⁴ = 6005515500277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6005518516661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67947680 + ... + 68036006.

It is an arithmetic number, because the mean of its divisors is an integer number (751288466448).

Almost surely, 2^{6005515516661} is an apocalyptic number.

It is an amenable number.

6005515516661 is a deficient number, since it is larger than the sum of its proper divisors (4792214923).

6005515516661 is a wasteful number, since it uses less digits than its factorization.

6005515516661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141811.

The product of its (nonzero) digits is 810000, while the sum is 47.

The spelling of 6005515516661 in words is "six trillion, five billion, five hundred fifteen million, five hundred sixteen thousand, six hundred sixty-one".