168133682 has 4 divisors (see below), whose sum is σ = 252200526. Its totient is φ = 84066840.

The previous prime is 168133663. The next prime is 168133709. The reversal of 168133682 is 286331861.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 162282121 + 5851561 = 12739^2 + 2419^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42033419 + ... + 42033422.

Almost surely, 2^168133682 is an apocalyptic number.

168133682 is a deficient number, since it is larger than the sum of its proper divisors (84066844).

168133682 is an equidigital number, since it uses as much as digits as its factorization.

168133682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84066843.

The product of its digits is 41472, while the sum is 38.

The square root of 168133682 is about 12966.6372664620. The cubic root of 168133682 is about 551.9311530218.

The spelling of 168133682 in words is "one hundred sixty-eight million, one hundred thirty-three thousand, six hundred eighty-two".