168448416 has 48 divisors (see below), whose sum is σ = 450533664. Its totient is φ = 55088384.

The previous prime is 168448403. The next prime is 168448447. The reversal of 168448416 is 614844861.

It is a tau number, because it is divible by the number of its divisors (48).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11466 + ... + 21641.

It is an arithmetic number, because the mean of its divisors is an integer number (9386118).

Almost surely, 2^168448416 is an apocalyptic number.

168448416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

168448416 is an abundant number, since it is smaller than the sum of its proper divisors (282085248).

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

168448416 is a wasteful number, since it uses less digits than its factorization.

168448416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33173 (or 33165 counting only the distinct ones).

The product of its digits is 147456, while the sum is 42.

The square root of 168448416 is about 12978.7678922153. The cubic root of 168448416 is about 552.2753299852.

The spelling of 168448416 in words is "one hundred sixty-eight million, four hundred forty-eight thousand, four hundred sixteen".