166923085 has 48 divisors (see below), whose sum is σ = 249606144. Its totient is φ = 104606208.

The previous prime is 166923077. The next prime is 166923089. The reversal of 166923085 is 580329661.

It is not a de Polignac number, because 166923085 - 2³ = 166923077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166923089) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1314292 + ... + 1314418.

It is an arithmetic number, because the mean of its divisors is an integer number (5200128).

Almost surely, 2^166923085 is an apocalyptic number.

It is an amenable number.

166923085 is a deficient number, since it is larger than the sum of its proper divisors (82683059).

166923085 is a wasteful number, since it uses less digits than its factorization.

166923085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 166923085 is about 12919.8717098894. The cubic root of 166923085 is about 550.6032884314.

The spelling of 166923085 in words is "one hundred sixty-six million, nine hundred twenty-three thousand, eighty-five".