6660001110065 has 16 divisors (see below), whose sum is σ = 8542881599616. Its totient is φ = 4972047484800.

The previous prime is 6660001110053. The next prime is 6660001110067. The reversal of 6660001110065 is 5600111000666.

It is not a de Polignac number, because 6660001110065 - 2²⁰ = 6660000061489 is a prime.

It is a super-2 number, since 2×6660001110065² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6660001110067) 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, 706252031 + ... + 706261460.

It is an arithmetic number, because the mean of its divisors is an integer number (533930099976).

Almost surely, 2^{6660001110065} is an apocalyptic number.

It is an amenable number.

6660001110065 is a deficient number, since it is larger than the sum of its proper divisors (1882880489551).

6660001110065 is a wasteful number, since it uses less digits than its factorization.

6660001110065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412513560.

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 6660001110065 in words is "six trillion, six hundred sixty billion, one million, one hundred ten thousand, sixty-five".