166324145 has 32 divisors (see below), whose sum is σ = 223534080. Its totient is φ = 117976320.

The previous prime is 166324133. The next prime is 166324177. The reversal of 166324145 is 541423661.

It is not a de Polignac number, because 166324145 - 2⁸ = 166323889 is a prime.

It is a super-3 number, since 3×166324145³ (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 396746 + ... + 397164.

It is an arithmetic number, because the mean of its divisors is an integer number (6985440).

Almost surely, 2^166324145 is an apocalyptic number.

It is an amenable number.

166324145 is a deficient number, since it is larger than the sum of its proper divisors (57209935).

166324145 is a wasteful number, since it uses less digits than its factorization.

166324145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665.

The product of its digits is 17280, while the sum is 32.

The square root of 166324145 is about 12896.6718574987. The cubic root of 166324145 is about 549.9439557219.

The spelling of 166324145 in words is "one hundred sixty-six million, three hundred twenty-four thousand, one hundred forty-five".