166527 has 6 divisors (see below), whose sum is σ = 240552. Its totient is φ = 111012.

The previous prime is 166487. The next prime is 166541. The reversal of 166527 is 725661.

166527 is a `hidden beast` number, since 1 + 6 + 652 + 7 = 666.

It is not a de Polignac number, because 166527 - 2⁷ = 166399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 166527.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 166527.

It is not an unprimeable number, because it can be changed into a prime (166567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9243 + ... + 9260.

It is an arithmetic number, because the mean of its divisors is an integer number (40092).

2¹⁶⁶⁵²⁷ is an apocalyptic number.

166527 is a deficient number, since it is larger than the sum of its proper divisors (74025).

166527 is a wasteful number, since it uses less digits than its factorization.

166527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18509 (or 18506 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 166527 is about 408.0771985789. The cubic root of 166527 is about 55.0167442132.

The spelling of 166527 in words is "one hundred sixty-six thousand, five hundred twenty-seven".