10666666666615 has 16 divisors (see below), whose sum is σ = 12880657462176. Its totient is φ = 8479612796800.

The previous prime is 10666666666589. The next prime is 10666666666631. The reversal of 10666666666615 is 51666666666601.

It is a de Polignac number, because none of the positive numbers 2^k-10666666666615 is a prime.

It is a super-2 number, since 2×10666666666615² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1522696 + ... + 4863325.

It is an arithmetic number, because the mean of its divisors is an integer number (805041091386).

Almost surely, 2^{10666666666615} is an apocalyptic number.

10666666666615 is a deficient number, since it is larger than the sum of its proper divisors (2213990795561).

10666666666615 is a wasteful number, since it uses less digits than its factorization.

10666666666615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6388130.

The product of its (nonzero) digits is 302330880, while the sum is 67.

The spelling of 10666666666615 in words is "ten trillion, six hundred sixty-six billion, six hundred sixty-six million, six hundred sixty-six thousand, six hundred fifteen".