168354668 has 12 divisors (see below), whose sum is σ = 310127160. Its totient is φ = 79746912.

The previous prime is 168354661. The next prime is 168354673. The reversal of 168354668 is 866453861.

It is not an unprimeable number, because it can be changed into a prime (168354661) 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, 1107521 + ... + 1107672.

It is an arithmetic number, because the mean of its divisors is an integer number (25843930).

Almost surely, 2^168354668 is an apocalyptic number.

It is an amenable number.

168354668 is a deficient number, since it is larger than the sum of its proper divisors (141772492).

168354668 is a wasteful number, since it uses less digits than its factorization.

168354668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215216 (or 2215214 counting only the distinct ones).

The product of its digits is 829440, while the sum is 47.

The square root of 168354668 is about 12975.1557986793. The cubic root of 168354668 is about 552.1728568429.

The spelling of 168354668 in words is "one hundred sixty-eight million, three hundred fifty-four thousand, six hundred sixty-eight".