166968966 has 8 divisors (see below), whose sum is σ = 333937944. Its totient is φ = 55656320.

The previous prime is 166968961. The next prime is 166968973. The reversal of 166968966 is 669869661.

166968966 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

166968966 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166968961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13914075 + ... + 13914086.

It is an arithmetic number, because the mean of its divisors is an integer number (41742243).

Almost surely, 2^166968966 is an apocalyptic number.

166968966 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166968966 is a wasteful number, since it uses less digits than its factorization.

166968966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27828166.

The product of its digits is 5038848, while the sum is 57.

The square root of 166968966 is about 12921.6471860208. The cubic root of 166968966 is about 550.6537306561.

The spelling of 166968966 in words is "one hundred sixty-six million, nine hundred sixty-eight thousand, nine hundred sixty-six".