27017716648 has 16 divisors (see below), whose sum is σ = 54555004980. Its totient is φ = 12469715328.

The previous prime is 27017716597. The next prime is 27017716711. The reversal of 27017716648 is 84661771072.

It can be written as a sum of positive squares in 2 ways, for example, as 18949724964 + 8067991684 = 137658^2 + 89822^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129892765 + ... + 129892972.

Almost surely, 2^27017716648 is an apocalyptic number.

It is an amenable number.

27017716648 is an abundant number, since it is smaller than the sum of its proper divisors (27537288332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27017716648 is a wasteful number, since it uses less digits than its factorization.

27017716648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259785756 (or 259785752 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 49.

The spelling of 27017716648 in words is "twenty-seven billion, seventeen million, seven hundred sixteen thousand, six hundred forty-eight".