167133881 has 2 divisors, whose sum is σ = 167133882. Its totient is φ = 167133880.

The previous prime is 167133871. The next prime is 167133913. The reversal of 167133881 is 188331761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132618256 + 34515625 = 11516^2 + 5875^2 .

It is a cyclic number.

It is not a de Polignac number, because 167133881 - 2¹⁰ = 167132857 is a prime.

It is a super-2 number, since 2×167133881² = 55867468356244322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (167133871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83566940 + 83566941.

It is an arithmetic number, because the mean of its divisors is an integer number (83566941).

Almost surely, 2^167133881 is an apocalyptic number.

It is an amenable number.

167133881 is a deficient number, since it is larger than the sum of its proper divisors (1).

167133881 is an equidigital number, since it uses as much as digits as its factorization.

167133881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 38.

The square root of 167133881 is about 12928.0269569645. The cubic root of 167133881 is about 550.8349642920.

The spelling of 167133881 in words is "one hundred sixty-seven million, one hundred thirty-three thousand, eight hundred eighty-one".