182118608666 has 16 divisors (see below), whose sum is σ = 275080706856. Its totient is φ = 90425726976.

The previous prime is 182118608599. The next prime is 182118608731. The reversal of 182118608666 is 666806811281.

It can be written as a sum of positive squares in 4 ways, for example, as 164264037025 + 17854571641 = 405295^2 + 133621^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361970 + ... + 703746.

Almost surely, 2^182118608666 is an apocalyptic number.

182118608666 is a deficient number, since it is larger than the sum of its proper divisors (92962098190).

182118608666 is a wasteful number, since it uses less digits than its factorization.

182118608666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343633.

The product of its (nonzero) digits is 1327104, while the sum is 53.

The spelling of 182118608666 in words is "one hundred eighty-two billion, one hundred eighteen million, six hundred eight thousand, six hundred sixty-six".