166066927 has 16 divisors (see below), whose sum is σ = 183012480. Its totient is φ = 149760000.

The previous prime is 166066919. The next prime is 166066939. The reversal of 166066927 is 729660661.

It is not a de Polignac number, because 166066927 - 2³ = 166066919 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 (166066987) 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, 102927 + ... + 104527.

It is an arithmetic number, because the mean of its divisors is an integer number (11438280).

Almost surely, 2^166066927 is an apocalyptic number.

166066927 is a deficient number, since it is larger than the sum of its proper divisors (16945553).

166066927 is a wasteful number, since it uses less digits than its factorization.

166066927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 166066927 is about 12886.6957363011. The cubic root of 166066927 is about 549.6603158716.

The spelling of 166066927 in words is "one hundred sixty-six million, sixty-six thousand, nine hundred twenty-seven".