166160559 has 8 divisors (see below), whose sum is σ = 221651200. Its totient is φ = 110721816.

The previous prime is 166160543. The next prime is 166160563. The reversal of 166160559 is 955061661.

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

It is not a de Polignac number, because 166160559 - 2⁴ = 166160543 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 (166160569) 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 7 ways as a sum of consecutive naturals, for example, 4759 + ... + 18840.

It is an arithmetic number, because the mean of its divisors is an integer number (27706400).

Almost surely, 2^166160559 is an apocalyptic number.

166160559 is a deficient number, since it is larger than the sum of its proper divisors (55490641).

166160559 is a wasteful number, since it uses less digits than its factorization.

166160559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25949.

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 166160559 is about 12890.3281183995. The cubic root of 166160559 is about 549.7635997828.

The spelling of 166160559 in words is "one hundred sixty-six million, one hundred sixty thousand, five hundred fifty-nine".