27057216066 has 8 divisors (see below), whose sum is σ = 54114432144. Its totient is φ = 9019072020.

The previous prime is 27057216061. The next prime is 27057216073. The reversal of 27057216066 is 66061275072.

27057216066 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

27057216066 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (27057216061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2254768000 + ... + 2254768011.

It is an arithmetic number, because the mean of its divisors is an integer number (6764304018).

Almost surely, 2^27057216066 is an apocalyptic number.

27057216066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27057216066 is a wasteful number, since it uses less digits than its factorization.

27057216066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4509536016.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 27057216066 in words is "twenty-seven billion, fifty-seven million, two hundred sixteen thousand, sixty-six".