108906666 has 16 divisors (see below), whose sum is σ = 237614688. Its totient is φ = 33002000.

The previous prime is 108906647. The next prime is 108906671. The reversal of 108906666 is 666609801.

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, 824985 + ... + 825116.

It is an arithmetic number, because the mean of its divisors is an integer number (14850918).

Almost surely, 2^108906666 is an apocalyptic number.

108906666 is an abundant number, since it is smaller than the sum of its proper divisors (128708022).

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

108906666 is a wasteful number, since it uses less digits than its factorization.

108906666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650117.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 108906666 is about 10435.8356637118. The cubic root of 108906666 is about 477.5492357151.

The spelling of 108906666 in words is "one hundred eight million, nine hundred six thousand, six hundred sixty-six".