166030673 has 4 divisors (see below), whose sum is σ = 166115568. Its totient is φ = 165945780.

The previous prime is 166030663. The next prime is 166030681. The reversal of 166030673 is 376030661.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 166030673 - 2¹⁰ = 166029649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166030603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39443 + ... + 43448.

It is an arithmetic number, because the mean of its divisors is an integer number (41528892).

Almost surely, 2^166030673 is an apocalyptic number.

It is an amenable number.

166030673 is a deficient number, since it is larger than the sum of its proper divisors (84895).

166030673 is an equidigital number, since it uses as much as digits as its factorization.

166030673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84894.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 166030673 is about 12885.2890149969. The cubic root of 166030673 is about 549.6203142575.

The spelling of 166030673 in words is "one hundred sixty-six million, thirty thousand, six hundred seventy-three".