168143674 has 16 divisors (see below), whose sum is σ = 261626112. Its totient is φ = 80988768.

The previous prime is 168143629. The next prime is 168143683. The reversal of 168143674 is 476341861.

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 7 ways as a sum of consecutive naturals, for example, 7114 + ... + 19669.

It is an arithmetic number, because the mean of its divisors is an integer number (16351632).

Almost surely, 2^168143674 is an apocalyptic number.

168143674 is a deficient number, since it is larger than the sum of its proper divisors (93482438).

168143674 is a wasteful number, since it uses less digits than its factorization.

168143674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26901.

The product of its digits is 96768, while the sum is 40.

The square root of 168143674 is about 12967.0225572411. The cubic root of 168143674 is about 551.9420863592.

The spelling of 168143674 in words is "one hundred sixty-eight million, one hundred forty-three thousand, six hundred seventy-four".