108043981666 has 8 divisors (see below), whose sum is σ = 163580608080. Its totient is φ = 53517112308.

The previous prime is 108043981649. The next prime is 108043981667. The reversal of 108043981666 is 666189340801.

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

It is not an unprimeable number, because it can be changed into a prime (108043981667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252438996 + ... + 252439423.

It is an arithmetic number, because the mean of its divisors is an integer number (20447576010).

Almost surely, 2^108043981666 is an apocalyptic number.

108043981666 is a deficient number, since it is larger than the sum of its proper divisors (55536626414).

108043981666 is a wasteful number, since it uses less digits than its factorization.

108043981666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504878528.

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 108043981666 in words is "one hundred eight billion, forty-three million, nine hundred eighty-one thousand, six hundred sixty-six".