166776085 has 16 divisors (see below), whose sum is σ = 230864256. Its totient is φ = 113289408.

The previous prime is 166776083. The next prime is 166776119. The reversal of 166776085 is 580677661.

166776085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 166776085 - 2¹ = 166776083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166776083) 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, 18522 + ... + 26011.

It is an arithmetic number, because the mean of its divisors is an integer number (14429016).

Almost surely, 2^166776085 is an apocalyptic number.

It is an amenable number.

166776085 is a deficient number, since it is larger than the sum of its proper divisors (64088171).

166776085 is a wasteful number, since it uses less digits than its factorization.

166776085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44652.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 166776085 is about 12914.1815458820. The cubic root of 166776085 is about 550.4416122629.

The spelling of 166776085 in words is "one hundred sixty-six million, seven hundred seventy-six thousand, eighty-five".