166112573 has 16 divisors (see below), whose sum is σ = 195915840. Its totient is φ = 139190400.

The previous prime is 166112549. The next prime is 166112603. The reversal of 166112573 is 375211661.

It is a cyclic number.

It is not a de Polignac number, because 166112573 - 2²⁴ = 149335357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166112503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3008 + ... + 18473.

It is an arithmetic number, because the mean of its divisors is an integer number (12244740).

Almost surely, 2^166112573 is an apocalyptic number.

It is an amenable number.

166112573 is a deficient number, since it is larger than the sum of its proper divisors (29803267).

166112573 is a wasteful number, since it uses less digits than its factorization.

166112573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21548.

The product of its digits is 7560, while the sum is 32.

The square root of 166112573 is about 12888.4666659770. The cubic root of 166112573 is about 549.7106720679.

The spelling of 166112573 in words is "one hundred sixty-six million, one hundred twelve thousand, five hundred seventy-three".