168329966 has 8 divisors (see below), whose sum is σ = 288565680. Its totient is φ = 72141408.

The previous prime is 168329963. The next prime is 168330011. The reversal of 168329966 is 669923861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×168329966² = 56669954907122312, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168329963) 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 3 ways as a sum of consecutive naturals, for example, 6011771 + ... + 6011798.

It is an arithmetic number, because the mean of its divisors is an integer number (36070710).

Almost surely, 2^168329966 is an apocalyptic number.

168329966 is a deficient number, since it is larger than the sum of its proper divisors (120235714).

168329966 is a wasteful number, since it uses less digits than its factorization.

168329966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12023578.

The product of its digits is 839808, while the sum is 50.

The square root of 168329966 is about 12974.2038676753. The cubic root of 168329966 is about 552.1458494915.

The spelling of 168329966 in words is "one hundred sixty-eight million, three hundred twenty-nine thousand, nine hundred sixty-six".