168663133 has 8 divisors (see below), whose sum is σ = 177678720. Its totient is φ = 159661440.

The previous prime is 168663113. The next prime is 168663139. The reversal of 168663133 is 331366861.

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

It is a cyclic number.

It is not a de Polignac number, because 168663133 - 2²¹ = 166565981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 168663092 and 168663101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168663139) by changing a digit.

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, 29628 + ... + 34858.

It is an arithmetic number, because the mean of its divisors is an integer number (22209840).

Almost surely, 2^168663133 is an apocalyptic number.

It is an amenable number.

168663133 is a deficient number, since it is larger than the sum of its proper divisors (9015587).

168663133 is a wasteful number, since it uses less digits than its factorization.

168663133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6947.

The product of its digits is 46656, while the sum is 37.

The square root of 168663133 is about 12987.0371139841. The cubic root of 168663133 is about 552.5098875540.

The spelling of 168663133 in words is "one hundred sixty-eight million, six hundred sixty-three thousand, one hundred thirty-three".