168006004 has 6 divisors (see below), whose sum is σ = 294010514. Its totient is φ = 84003000.

The previous prime is 168005989. The next prime is 168006023. The reversal of 168006004 is 400600861.

168006004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 140422500 + 27583504 = 11850^2 + 5252^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 168006004.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 21000747 + ... + 21000754.

Almost surely, 2^168006004 is an apocalyptic number.

It is an amenable number.

168006004 is a deficient number, since it is larger than the sum of its proper divisors (126004510).

168006004 is a wasteful number, since it uses less digits than its factorization.

168006004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42001505 (or 42001503 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 168006004 is about 12961.7130040747. The cubic root of 168006004 is about 551.7914084443.

Adding to 168006004 its reverse (400600861), we get a palindrome (568606865).

The spelling of 168006004 in words is "one hundred sixty-eight million, six thousand, four".