167000681 has 2 divisors, whose sum is σ = 167000682. Its totient is φ = 167000680.

The previous prime is 167000657. The next prime is 167000711. The reversal of 167000681 is 186000761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104448400 + 62552281 = 10220^2 + 7909^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-167000681 is a prime.

It is a super-2 number, since 2×167000681² = 55778454908927522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (167000081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83500340 + 83500341.

It is an arithmetic number, because the mean of its divisors is an integer number (83500341).

Almost surely, 2^167000681 is an apocalyptic number.

It is an amenable number.

167000681 is a deficient number, since it is larger than the sum of its proper divisors (1).

167000681 is an equidigital number, since it uses as much as digits as its factorization.

167000681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 167000681 is about 12922.8743319743. The cubic root of 167000681 is about 550.6885931775.

The spelling of 167000681 in words is "one hundred sixty-seven million, six hundred eighty-one", and thus it is an aban number.