108666774194 has 12 divisors (see below), whose sum is σ = 179165466942. Its totient is φ = 49393988160.

The previous prime is 108666774193. The next prime is 108666774217. The reversal of 108666774194 is 491477666801.

It can be written as a sum of positive squares in only one way, i.e., 108414123169 + 252651025 = 329263^2 + 15895^2 .

It is not an unprimeable number, because it can be changed into a prime (108666774193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 224517887 + ... + 224518370.

Almost surely, 2^108666774194 is an apocalyptic number.

108666774194 is a deficient number, since it is larger than the sum of its proper divisors (70498692748).

108666774194 is a wasteful number, since it uses less digits than its factorization.

108666774194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449036281 (or 449036270 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 59.

The spelling of 108666774194 in words is "one hundred eight billion, six hundred sixty-six million, seven hundred seventy-four thousand, one hundred ninety-four".