168982804 has 6 divisors (see below), whose sum is σ = 295719914. Its totient is φ = 84491400.

The previous prime is 168982763. The next prime is 168982831. The reversal of 168982804 is 408289861.

It can be written as a sum of positive squares in only one way, i.e., 166358404 + 2624400 = 12898^2 + 1620^2 .

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, 21122847 + ... + 21122854.

Almost surely, 2^168982804 is an apocalyptic number.

It is an amenable number.

168982804 is a deficient number, since it is larger than the sum of its proper divisors (126737110).

168982804 is a wasteful number, since it uses less digits than its factorization.

168982804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42245705 (or 42245703 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 46.

The square root of 168982804 is about 12999.3385985595. The cubic root of 168982804 is about 552.8587286980.

The spelling of 168982804 in words is "one hundred sixty-eight million, nine hundred eighty-two thousand, eight hundred four".