168036668 has 12 divisors (see below), whose sum is σ = 294157752. Its totient is φ = 83991600.

The previous prime is 168036667. The next prime is 168036697. The reversal of 168036668 is 866630861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168036667) 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, 16046 + ... + 24362.

It is an arithmetic number, because the mean of its divisors is an integer number (24513146).

Almost surely, 2^168036668 is an apocalyptic number.

It is an amenable number.

168036668 is a deficient number, since it is larger than the sum of its proper divisors (126121084).

168036668 is a wasteful number, since it uses less digits than its factorization.

168036668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13372 (or 13370 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 168036668 is about 12962.8958184504. The cubic root of 168036668 is about 551.8249768923.

The spelling of 168036668 in words is "one hundred sixty-eight million, thirty-six thousand, six hundred sixty-eight".