168144675 has 12 divisors (see below), whose sum is σ = 277999320. Its totient is φ = 89677120.

The previous prime is 168144667. The next prime is 168144701. The reversal of 168144675 is 576441861.

It is not a de Polignac number, because 168144675 - 2³ = 168144667 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1120890 + ... + 1121039.

It is an arithmetic number, because the mean of its divisors is an integer number (23166610).

Almost surely, 2^168144675 is an apocalyptic number.

168144675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

168144675 is a deficient number, since it is larger than the sum of its proper divisors (109854645).

168144675 is a wasteful number, since it uses less digits than its factorization.

168144675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241942 (or 2241937 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 168144675 is about 12967.0611550960. The cubic root of 168144675 is about 551.9431816387.

The spelling of 168144675 in words is "one hundred sixty-eight million, one hundred forty-four thousand, six hundred seventy-five".