6605295010561 has 16 divisors (see below), whose sum is σ = 7525410928000. Its totient is φ = 5747263746048.

The previous prime is 6605295010549. The next prime is 6605295010607. The reversal of 6605295010561 is 1650105925066.

It is a cyclic number.

It is not a de Polignac number, because 6605295010561 - 2¹⁵ = 6605294977793 is a prime.

It is a super-2 number, since 2×6605295010561² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6605295010541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67142016 + ... + 67240321.

It is an arithmetic number, because the mean of its divisors is an integer number (470338183000).

Almost surely, 2^{6605295010561} is an apocalyptic number.

It is an amenable number.

6605295010561 is a deficient number, since it is larger than the sum of its proper divisors (920115917439).

6605295010561 is a wasteful number, since it uses less digits than its factorization.

6605295010561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134382568.

The product of its (nonzero) digits is 486000, while the sum is 46.

The spelling of 6605295010561 in words is "six trillion, six hundred five billion, two hundred ninety-five million, ten thousand, five hundred sixty-one".