166575361 has 8 divisors (see below), whose sum is σ = 175541184. Its totient is φ = 157753200.

The previous prime is 166575341. The next prime is 166575433. The reversal of 166575361 is 163575661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 166575361 - 2¹⁹ = 166051073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166575341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33531 + ... + 38176.

It is an arithmetic number, because the mean of its divisors is an integer number (21942648).

Almost surely, 2^166575361 is an apocalyptic number.

It is an amenable number.

166575361 is a deficient number, since it is larger than the sum of its proper divisors (8965823).

166575361 is a wasteful number, since it uses less digits than its factorization.

166575361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71831.

The product of its digits is 113400, while the sum is 40.

The square root of 166575361 is about 12906.4077496413. The cubic root of 166575361 is about 550.2206949024.

The spelling of 166575361 in words is "one hundred sixty-six million, five hundred seventy-five thousand, three hundred sixty-one".