166711733167 has 16 divisors (see below), whose sum is σ = 192686584320. Its totient is φ = 141281859168.

The previous prime is 166711733159. The next prime is 166711733173. The reversal of 166711733167 is 761337117661.

It is a cyclic number.

It is not a de Polignac number, because 166711733167 - 2³ = 166711733159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 166711733167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166711733467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162598 + ... + 599884.

It is an arithmetic number, because the mean of its divisors is an integer number (12042911520).

Almost surely, 2^166711733167 is an apocalyptic number.

166711733167 is a deficient number, since it is larger than the sum of its proper divisors (25974851153).

166711733167 is a wasteful number, since it uses less digits than its factorization.

166711733167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437910.

The product of its digits is 666792, while the sum is 49.

The spelling of 166711733167 in words is "one hundred sixty-six billion, seven hundred eleven million, seven hundred thirty-three thousand, one hundred sixty-seven".