168065448 has 32 divisors (see below), whose sum is σ = 421330560. Its totient is φ = 55866240.

The previous prime is 168065441. The next prime is 168065459. The reversal of 168065448 is 844560861.

It is a super-2 number, since 2×168065448² = 56491989622881408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (168065441) 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 7 ways as a sum of consecutive naturals, for example, 733 + ... + 18348.

It is an arithmetic number, because the mean of its divisors is an integer number (13166580).

Almost surely, 2^168065448 is an apocalyptic number.

It is an amenable number.

168065448 is an abundant number, since it is smaller than the sum of its proper divisors (253265112).

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

168065448 is a wasteful number, since it uses less digits than its factorization.

168065448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19457 (or 19453 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 168065448 is about 12964.0058623868. The cubic root of 168065448 is about 551.8564791757.

The spelling of 168065448 in words is "one hundred sixty-eight million, sixty-five thousand, four hundred forty-eight".