168814368 has 60 divisors (see below), whose sum is σ = 496485990. Its totient is φ = 56270592.

The previous prime is 168814367. The next prime is 168814379. The reversal of 168814368 is 863418861.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 165173904 + 3640464 = 12852^2 + 1908^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (168814367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 29973 + ... + 35156.

Almost surely, 2^168814368 is an apocalyptic number.

168814368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

168814368 is an abundant number, since it is smaller than the sum of its proper divisors (327671622).

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

168814368 is an equidigital number, since it uses as much as digits as its factorization.

168814368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65151 (or 65134 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 168814368 is about 12992.8583460299. The cubic root of 168814368 is about 552.6749777131.

The spelling of 168814368 in words is "one hundred sixty-eight million, eight hundred fourteen thousand, three hundred sixty-eight".