168392080 has 20 divisors (see below), whose sum is σ = 391511772. Its totient is φ = 67356800.

The previous prime is 168392071. The next prime is 168392099. The reversal of 168392080 is 80293861.

It can be written as a sum of positive squares in 2 ways, for example, as 130051216 + 38340864 = 11404^2 + 6192^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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 in 3 ways as a sum of consecutive naturals, for example, 1052371 + ... + 1052530.

Almost surely, 2^168392080 is an apocalyptic number.

168392080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168392080 is an abundant number, since it is smaller than the sum of its proper divisors (223119692).

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

168392080 is a wasteful number, since it uses less digits than its factorization.

168392080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104914 (or 2104908 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 168392080 is about 12976.5973968525. The cubic root of 168392080 is about 552.2137553444.

The spelling of 168392080 in words is "one hundred sixty-eight million, three hundred ninety-two thousand, eighty".