27066416465 has 32 divisors (see below), whose sum is σ = 39491245440. Its totient is φ = 17551641600.

The previous prime is 27066416413. The next prime is 27066416467. The reversal of 27066416465 is 56461466072.

It is not a de Polignac number, because 27066416465 - 2³⁰ = 25992674641 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27066416467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 744026 + ... + 779555.

It is an arithmetic number, because the mean of its divisors is an integer number (1234101420).

Almost surely, 2^27066416465 is an apocalyptic number.

It is an amenable number.

27066416465 is a deficient number, since it is larger than the sum of its proper divisors (12424828975).

27066416465 is a wasteful number, since it uses less digits than its factorization.

27066416465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523633.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 27066416465 in words is "twenty-seven billion, sixty-six million, four hundred sixteen thousand, four hundred sixty-five".