168683967 has 6 divisors (see below), whose sum is σ = 243654632. Its totient is φ = 112455972.

The previous prime is 168683951. The next prime is 168683993. The reversal of 168683967 is 769386861.

It is a happy number.

It is not a de Polignac number, because 168683967 - 2⁴ = 168683951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168683917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9371323 + ... + 9371340.

Almost surely, 2^168683967 is an apocalyptic number.

168683967 is a deficient number, since it is larger than the sum of its proper divisors (74970665).

168683967 is a wasteful number, since it uses less digits than its factorization.

168683967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18742669 (or 18742666 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 168683967 is about 12987.8391967255. The cubic root of 168683967 is about 552.5326360880.

The spelling of 168683967 in words is "one hundred sixty-eight million, six hundred eighty-three thousand, nine hundred sixty-seven".