166830583169 has 4 divisors (see below), whose sum is σ = 166833862320. Its totient is φ = 166827304020.

The previous prime is 166830583147. The next prime is 166830583193. The reversal of 166830583169 is 961385038661.

It is a happy number.

166830583169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 166830583169 - 2²⁰ = 166829534593 is a prime.

It is a super-2 number, since 2×166830583169² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (166830583669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1562039 + ... + 1665420.

It is an arithmetic number, because the mean of its divisors is an integer number (41708465580).

Almost surely, 2^166830583169 is an apocalyptic number.

It is an amenable number.

166830583169 is a deficient number, since it is larger than the sum of its proper divisors (3279151).

166830583169 is an equidigital number, since it uses as much as digits as its factorization.

166830583169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3279150.

The product of its (nonzero) digits is 5598720, while the sum is 56.

The spelling of 166830583169 in words is "one hundred sixty-six billion, eight hundred thirty million, five hundred eighty-three thousand, one hundred sixty-nine".