109112166 has 24 divisors (see below), whose sum is σ = 237032640. Its totient is φ = 36274896.

The previous prime is 109112141. The next prime is 109112167. The reversal of 109112166 is 661211901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109112167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 790 + ... + 14793.

It is an arithmetic number, because the mean of its divisors is an integer number (9876360).

Almost surely, 2^109112166 is an apocalyptic number.

109112166 is an abundant number, since it is smaller than the sum of its proper divisors (127920474).

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

109112166 is a wasteful number, since it uses less digits than its factorization.

109112166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15980 (or 15977 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 109112166 is about 10445.6769048253. The cubic root of 109112166 is about 477.8494154024.

It can be divided in two parts, 109112 and 166, that added together give a triangular number (109278 = T₄₆₇).

The spelling of 109112166 in words is "one hundred nine million, one hundred twelve thousand, one hundred sixty-six".