168685006682 has 8 divisors (see below), whose sum is σ = 253048792500. Its totient is φ = 84335409184.

The previous prime is 168685006669. The next prime is 168685006687. The reversal of 168685006682 is 286600586861.

It can be written as a sum of positive squares in 2 ways, for example, as 146475363841 + 22209642841 = 382721^2 + 149029^2 .

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 (168685006687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3517307 + ... + 3564942.

Almost surely, 2^168685006682 is an apocalyptic number.

168685006682 is a deficient number, since it is larger than the sum of its proper divisors (84363785818).

168685006682 is a wasteful number, since it uses less digits than its factorization.

168685006682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7094160.

The product of its (nonzero) digits is 6635520, while the sum is 56.

The spelling of 168685006682 in words is "one hundred sixty-eight billion, six hundred eighty-five million, six thousand, six hundred eighty-two".