27066066660606 has 16 divisors (see below), whose sum is σ = 54784327699584. Its totient is φ = 8913323157144.

The previous prime is 27066066660599. The next prime is 27066066660623. The reversal of 27066066660606 is 60606666066072.

It is a Curzon number.

It is a congruent 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, 27174765226 + ... + 27174766221.

It is an arithmetic number, because the mean of its divisors is an integer number (3424020481224).

Almost surely, 2^{27066066660606} is an apocalyptic number.

27066066660606 is an abundant number, since it is smaller than the sum of its proper divisors (27718261038978).

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

27066066660606 is a wasteful number, since it uses less digits than its factorization.

27066066660606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54349531535.

The product of its (nonzero) digits is 23514624, while the sum is 57.

The spelling of 27066066660606 in words is "twenty-seven trillion, sixty-six billion, sixty-six million, six hundred sixty thousand, six hundred six".