166045267 has 2 divisors, whose sum is σ = 166045268. Its totient is φ = 166045266.

The previous prime is 166045249. The next prime is 166045283. The reversal of 166045267 is 762540661.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166045267 is a prime.

It is not a weakly prime, because it can be changed into another prime (166045247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83022633 + 83022634.

It is an arithmetic number, because the mean of its divisors is an integer number (83022634).

Almost surely, 2^166045267 is an apocalyptic number.

166045267 is a deficient number, since it is larger than the sum of its proper divisors (1).

166045267 is an equidigital number, since it uses as much as digits as its factorization.

166045267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 166045267 is about 12885.8553072739. The cubic root of 166045267 is about 549.6364175548.

The spelling of 166045267 in words is "one hundred sixty-six million, forty-five thousand, two hundred sixty-seven".