166455167 has 2 divisors, whose sum is σ = 166455168. Its totient is φ = 166455166.

The previous prime is 166455161. The next prime is 166455197. The reversal of 166455167 is 761554661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 166455167 - 2⁶ = 166455103 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166455161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83227583 + 83227584.

It is an arithmetic number, because the mean of its divisors is an integer number (83227584).

Almost surely, 2^166455167 is an apocalyptic number.

166455167 is a deficient number, since it is larger than the sum of its proper divisors (1).

166455167 is an equidigital number, since it uses as much as digits as its factorization.

166455167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 41.

The square root of 166455167 is about 12901.7505401399. The cubic root of 166455167 is about 550.0883241073.

It can be divided in two parts, 16645 and 5167, that added together give a palindrome (21812).

The spelling of 166455167 in words is "one hundred sixty-six million, four hundred fifty-five thousand, one hundred sixty-seven".