168043804 has 6 divisors (see below), whose sum is σ = 294076664. Its totient is φ = 84021900.

The previous prime is 168043801. The next prime is 168043853. The reversal of 168043804 is 408340861.

It is a self number, because there is not a number n which added to its sum of digits gives 168043804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168043801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21005472 + ... + 21005479.

Almost surely, 2^168043804 is an apocalyptic number.

It is an amenable number.

168043804 is a deficient number, since it is larger than the sum of its proper divisors (126032860).

168043804 is a wasteful number, since it uses less digits than its factorization.

168043804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42010955 (or 42010953 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 168043804 is about 12963.1710626683. The cubic root of 168043804 is about 551.8327882177.

The spelling of 168043804 in words is "one hundred sixty-eight million, forty-three thousand, eight hundred four".