27908365321166 has 16 divisors (see below), whose sum is σ = 45668519664048. Its totient is φ = 12685541294400.

The previous prime is 27908365321163. The next prime is 27908365321181. The reversal of 27908365321166 is 66112356380972.

It is a super-2 number, since 2×27908365321166² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27908365321163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290585 + ... + 7476708.

It is an arithmetic number, because the mean of its divisors is an integer number (2854282479003).

Almost surely, 2^{27908365321166} is an apocalyptic number.

27908365321166 is a deficient number, since it is larger than the sum of its proper divisors (17760154342882).

27908365321166 is a wasteful number, since it uses less digits than its factorization.

27908365321166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7930627.

The product of its (nonzero) digits is 19595520, while the sum is 59.

The spelling of 27908365321166 in words is "twenty-seven trillion, nine hundred eight billion, three hundred sixty-five million, three hundred twenty-one thousand, one hundred sixty-six".