108187666 has 8 divisors (see below), whose sum is σ = 162417024. Its totient is φ = 54048660.

The previous prime is 108187657. The next prime is 108187687. The reversal of 108187666 is 666781801.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19510 + ... + 24433.

It is an arithmetic number, because the mean of its divisors is an integer number (20302128).

Almost surely, 2^108187666 is an apocalyptic number.

108187666 is a deficient number, since it is larger than the sum of its proper divisors (54229358).

108187666 is a wasteful number, since it uses less digits than its factorization.

108187666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45176.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 108187666 is about 10401.3300111092. The cubic root of 108187666 is about 476.4959904266.

The spelling of 108187666 in words is "one hundred eight million, one hundred eighty-seven thousand, six hundred sixty-six".