168319782 has 24 divisors (see below), whose sum is σ = 378201096. Its totient is φ = 56106432.

The previous prime is 168319769. The next prime is 168319783. The reversal of 168319782 is 287913861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168319783) 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 11 ways as a sum of consecutive naturals, for example, 172683 + ... + 173654.

It is an arithmetic number, because the mean of its divisors is an integer number (15758379).

Almost surely, 2^168319782 is an apocalyptic number.

168319782 is an abundant number, since it is smaller than the sum of its proper divisors (209881314).

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

168319782 is an equidigital number, since it uses as much as digits as its factorization.

168319782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346354 (or 346342 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 168319782 is about 12973.8113906438. The cubic root of 168319782 is about 552.1347142851.

The spelling of 168319782 in words is "one hundred sixty-eight million, three hundred nineteen thousand, seven hundred eighty-two".