108868666 has 8 divisors (see below), whose sum is σ = 163356660. Its totient is φ = 54416448.

The previous prime is 108868657. The next prime is 108868679. The reversal of 108868666 is 666868801.

It can be written as a sum of positive squares in 2 ways, for example, as 107557641 + 1311025 = 10371^2 + 1145^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 780 + ... + 14776.

Almost surely, 2^108868666 is an apocalyptic number.

108868666 is a deficient number, since it is larger than the sum of its proper divisors (54487994).

108868666 is a wasteful number, since it uses less digits than its factorization.

108868666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17888.

The product of its (nonzero) digits is 663552, while the sum is 49.

The square root of 108868666 is about 10434.0148552702. The cubic root of 108868666 is about 477.4936866758.

The spelling of 108868666 in words is "one hundred eight million, eight hundred sixty-eight thousand, six hundred sixty-six".