168604002 has 36 divisors (see below), whose sum is σ = 424953126. Its totient is φ = 48172320.

The previous prime is 168604001. The next prime is 168604031. The reversal of 168604002 is 200406861.

It can be written as a sum of positive squares in only one way, i.e., 101183481 + 67420521 = 10059^2 + 8211^2 .

It is not an unprimeable number, because it can be changed into a prime (168604001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 94699 + ... + 96462.

Almost surely, 2^168604002 is an apocalyptic number.

168604002 is an abundant number, since it is smaller than the sum of its proper divisors (256349124).

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

168604002 is a wasteful number, since it uses less digits than its factorization.

168604002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191183 (or 191173 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 168604002 is about 12984.7603751475. The cubic root of 168604002 is about 552.4453125235.

The spelling of 168604002 in words is "one hundred sixty-eight million, six hundred four thousand, two".