108666289 has 8 divisors (see below), whose sum is σ = 111339360. Its totient is φ = 105999936.

The previous prime is 108666223. The next prime is 108666293. The reversal of 108666289 is 982666801.

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

It is a cyclic number.

It is not a de Polignac number, because 108666289 - 2¹³ = 108658097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108666689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49977 + ... + 52105.

It is an arithmetic number, because the mean of its divisors is an integer number (13917420).

Almost surely, 2^108666289 is an apocalyptic number.

It is an amenable number.

108666289 is a deficient number, since it is larger than the sum of its proper divisors (2673071).

108666289 is a wasteful number, since it uses less digits than its factorization.

108666289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3359.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 108666289 is about 10424.3123993863. The cubic root of 108666289 is about 477.1976306324.

The spelling of 108666289 in words is "one hundred eight million, six hundred sixty-six thousand, two hundred eighty-nine".