27016564812 has 24 divisors (see below), whose sum is σ = 63746953200. Its totient is φ = 8904335616.

The previous prime is 27016564777. The next prime is 27016564829. The reversal of 27016564812 is 21846561072.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12647137 + ... + 12649272.

It is an arithmetic number, because the mean of its divisors is an integer number (2656123050).

Almost surely, 2^27016564812 is an apocalyptic number.

It is an amenable number.

27016564812 is an abundant number, since it is smaller than the sum of its proper divisors (36730388388).

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

27016564812 is a wasteful number, since it uses less digits than its factorization.

27016564812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25296505 (or 25296503 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 27016564812 in words is "twenty-seven billion, sixteen million, five hundred sixty-four thousand, eight hundred twelve".