133168673 has 8 divisors (see below), whose sum is σ = 147657216. Its totient is φ = 119077200.

The previous prime is 133168657. The next prime is 133168691. The reversal of 133168673 is 376861331.

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

It is not a de Polignac number, because 133168673 - 2⁴ = 133168657 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133168573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98561 + ... + 99902.

It is an arithmetic number, because the mean of its divisors is an integer number (18457152).

Almost surely, 2^133168673 is an apocalyptic number.

It is an amenable number.

133168673 is a deficient number, since it is larger than the sum of its proper divisors (14488543).

133168673 is a wasteful number, since it uses less digits than its factorization.

133168673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198535.

The product of its digits is 54432, while the sum is 38.

The square root of 133168673 is about 11539.8731795458. The cubic root of 133168673 is about 510.6625670213.

The spelling of 133168673 in words is "one hundred thirty-three million, one hundred sixty-eight thousand, six hundred seventy-three".