168666682 has 16 divisors (see below), whose sum is σ = 264378240. Its totient is φ = 80551152.

The previous prime is 168666679. The next prime is 168666703. The reversal of 168666682 is 286666861.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35923 + ... + 40345.

It is an arithmetic number, because the mean of its divisors is an integer number (16523640).

Almost surely, 2^168666682 is an apocalyptic number.

168666682 is a deficient number, since it is larger than the sum of its proper divisors (95711558).

168666682 is a wasteful number, since it uses less digits than its factorization.

168666682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5277.

The product of its digits is 995328, while the sum is 49.

The square root of 168666682 is about 12987.1737495115. The cubic root of 168666682 is about 552.5137628206.

The spelling of 168666682 in words is "one hundred sixty-eight million, six hundred sixty-six thousand, six hundred eighty-two".