166928966 has 4 divisors (see below), whose sum is σ = 250393452. Its totient is φ = 83464482.

The previous prime is 166928947. The next prime is 166928969. The reversal of 166928966 is 669829661.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166928969) 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 as a sum of consecutive naturals, namely, 41732240 + ... + 41732243.

It is an arithmetic number, because the mean of its divisors is an integer number (62598363).

Almost surely, 2^166928966 is an apocalyptic number.

166928966 is a deficient number, since it is larger than the sum of its proper divisors (83464486).

166928966 is an equidigital number, since it uses as much as digits as its factorization.

166928966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83464485.

The product of its digits is 1679616, while the sum is 53.

The square root of 166928966 is about 12920.0993030240. The cubic root of 166928966 is about 550.6097546030.

The spelling of 166928966 in words is "one hundred sixty-six million, nine hundred twenty-eight thousand, nine hundred sixty-six".