166860067 has 8 divisors (see below), whose sum is σ = 182137392. Its totient is φ = 151600800.

The previous prime is 166860061. The next prime is 166860097. The reversal of 166860067 is 760068661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 166860067 - 2²³ = 158471459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166860061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21217 + ... + 27997.

It is an arithmetic number, because the mean of its divisors is an integer number (22767174).

Almost surely, 2^166860067 is an apocalyptic number.

166860067 is a deficient number, since it is larger than the sum of its proper divisors (15277325).

166860067 is a wasteful number, since it uses less digits than its factorization.

166860067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9029.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 166860067 is about 12917.4326783614. The cubic root of 166860067 is about 550.5339904762.

The spelling of 166860067 in words is "one hundred sixty-six million, eight hundred sixty thousand, sixty-seven".