1109171166 has 8 divisors (see below), whose sum is σ = 2218342344. Its totient is φ = 369723720.

The previous prime is 1109171117. The next prime is 1109171179. The reversal of 1109171166 is 6611719011.

1109171166 is digitally balanced in base 4, 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.

1109171166 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92430925 + ... + 92430936.

It is an arithmetic number, because the mean of its divisors is an integer number (277292793).

Almost surely, 2^1109171166 is an apocalyptic number.

1109171166 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.

1109171166 is a wasteful number, since it uses less digits than its factorization.

1109171166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184861866.

The product of its (nonzero) digits is 2268, while the sum is 33.

The square root of 1109171166 is about 33304.2214441353. The cubic root of 1109171166 is about 1035.1410314482.

The spelling of 1109171166 in words is "one billion, one hundred nine million, one hundred seventy-one thousand, one hundred sixty-six".