108873631681066 has 12 divisors (see below), whose sum is σ = 189973377729378. Its totient is φ = 46660127863272.

The previous prime is 108873631681049. The next prime is 108873631681079. The reversal of 108873631681066 is 660186136378801.

It can be written as a sum of positive squares in only one way, i.e., 99724609860841 + 9149021820225 = 9986221^2 + 3024735^2 .

It is a junction number, because it is equal to n+sod(n) for n = 108873631680989 and 108873631681007.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 555477712561 + ... + 555477712756.

Almost surely, 2^{108873631681066} is an apocalyptic number.

108873631681066 is a deficient number, since it is larger than the sum of its proper divisors (81099746048312).

108873631681066 is a wasteful number, since it uses less digits than its factorization.

108873631681066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110955425333 (or 1110955425326 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 64.

The spelling of 108873631681066 in words is "one hundred eight trillion, eight hundred seventy-three billion, six hundred thirty-one million, six hundred eighty-one thousand, sixty-six".