27228886166 has 16 divisors (see below), whose sum is σ = 41026392000. Its totient is φ = 13553456448.

The previous prime is 27228886123. The next prime is 27228886171. The reversal of 27228886166 is 66168882272.

It is a happy number.

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, 2216096 + ... + 2228348.

It is an arithmetic number, because the mean of its divisors is an integer number (2564149500).

Almost surely, 2^27228886166 is an apocalyptic number.

27228886166 is a deficient number, since it is larger than the sum of its proper divisors (13797505834).

27228886166 is a wasteful number, since it uses less digits than its factorization.

27228886166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17143.

The product of its digits is 6193152, while the sum is 56.

It can be divided in two parts, 2722 and 8886166, that added together give a palindrome (8888888).

The spelling of 27228886166 in words is "twenty-seven billion, two hundred twenty-eight million, eight hundred eighty-six thousand, one hundred sixty-six".