6611110665 has 8 divisors (see below), whose sum is σ = 10577777088. Its totient is φ = 3525925680.

The previous prime is 6611110651. The next prime is 6611110697. The reversal of 6611110665 is 5660111166.

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

It is not a de Polignac number, because 6611110665 - 2¹⁸ = 6610848521 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220370341 + ... + 220370370.

It is an arithmetic number, because the mean of its divisors is an integer number (1322222136).

Almost surely, 2^6611110665 is an apocalyptic number.

It is an amenable number.

6611110665 is a deficient number, since it is larger than the sum of its proper divisors (3966666423).

6611110665 is a wasteful number, since it uses less digits than its factorization.

6611110665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440740719.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 6611110665 is about 81308.7367076872. The cubic root of 6611110665 is about 1876.8294478393.

The spelling of 6611110665 in words is "six billion, six hundred eleven million, one hundred ten thousand, six hundred sixty-five".