166761167 has 2 divisors, whose sum is σ = 166761168. Its totient is φ = 166761166.

The previous prime is 166761131. The next prime is 166761173. The reversal of 166761167 is 761167661.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166761167 is a prime.

It is a super-3 number, since 3×166761167³ (a number of 26 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166761187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83380583 + 83380584.

It is an arithmetic number, because the mean of its divisors is an integer number (83380584).

Almost surely, 2^166761167 is an apocalyptic number.

166761167 is a deficient number, since it is larger than the sum of its proper divisors (1).

166761167 is an equidigital number, since it uses as much as digits as its factorization.

166761167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 41.

The square root of 166761167 is about 12913.6039508729. The cubic root of 166761167 is about 550.4251995724.

The spelling of 166761167 in words is "one hundred sixty-six million, seven hundred sixty-one thousand, one hundred sixty-seven".