27641310665 has 8 divisors (see below), whose sum is σ = 33241216128. Its totient is φ = 22065286320.

The previous prime is 27641310649. The next prime is 27641310689. The reversal of 27641310665 is 56601314672.

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

It is not a de Polignac number, because 27641310665 - 2⁴ = 27641310649 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5967731 + ... + 5972360.

It is an arithmetic number, because the mean of its divisors is an integer number (4155152016).

Almost surely, 2^27641310665 is an apocalyptic number.

It is an amenable number.

27641310665 is a deficient number, since it is larger than the sum of its proper divisors (5599905463).

27641310665 is a wasteful number, since it uses less digits than its factorization.

27641310665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11940559.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 27641310665 in words is "twenty-seven billion, six hundred forty-one million, three hundred ten thousand, six hundred sixty-five".