168506808 has 16 divisors (see below), whose sum is σ = 421267080. Its totient is φ = 56168928.

The previous prime is 168506803. The next prime is 168506857. The reversal of 168506808 is 808605861.

It is a self number, because there is not a number n which added to its sum of digits gives 168506808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168506803) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3510535 + ... + 3510582.

Almost surely, 2^168506808 is an apocalyptic number.

It is an amenable number.

168506808 is an abundant number, since it is smaller than the sum of its proper divisors (252760272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168506808 is a wasteful number, since it uses less digits than its factorization.

168506808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7021126 (or 7021122 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 168506808 is about 12981.0172174603. The cubic root of 168506808 is about 552.3391373241.

The spelling of 168506808 in words is "one hundred sixty-eight million, five hundred six thousand, eight hundred eight".