27532966665 has 16 divisors (see below), whose sum is σ = 45473803776. Its totient is φ = 14210563200.

The previous prime is 27532966631. The next prime is 27532966679. The reversal of 27532966665 is 56666923572.

It is not a de Polignac number, because 27532966665 - 2¹⁰ = 27532965641 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29604876 + ... + 29605805.

It is an arithmetic number, because the mean of its divisors is an integer number (2842112736).

Almost surely, 2^27532966665 is an apocalyptic number.

It is an amenable number.

27532966665 is a deficient number, since it is larger than the sum of its proper divisors (17940837111).

27532966665 is a wasteful number, since it uses less digits than its factorization.

27532966665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59210720.

The product of its digits is 24494400, while the sum is 57.

The spelling of 27532966665 in words is "twenty-seven billion, five hundred thirty-two million, nine hundred sixty-six thousand, six hundred sixty-five".