166750867 has 2 divisors, whose sum is σ = 166750868. Its totient is φ = 166750866.

The previous prime is 166750811. The next prime is 166750889. The reversal of 166750867 is 768057661.

166750867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 166750867 - 2²⁷ = 32533139 is a prime.

It is not a weakly prime, because it can be changed into another prime (166750267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83375433 + 83375434.

It is an arithmetic number, because the mean of its divisors is an integer number (83375434).

Almost surely, 2^166750867 is an apocalyptic number.

166750867 is a deficient number, since it is larger than the sum of its proper divisors (1).

166750867 is an equidigital number, since it uses as much as digits as its factorization.

166750867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 166750867 is about 12913.2051404754. The cubic root of 166750867 is about 550.4138670054.

The spelling of 166750867 in words is "one hundred sixty-six million, seven hundred fifty thousand, eight hundred sixty-seven".