166483009 has 16 divisors (see below), whose sum is σ = 208567296. Its totient is φ = 129099600.

The previous prime is 166482991. The next prime is 166483021. The reversal of 166483009 is 900384661.

It is not a de Polignac number, because 166483009 - 2¹¹ = 166480961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166489009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11124 + ... + 21370.

It is an arithmetic number, because the mean of its divisors is an integer number (13035456).

Almost surely, 2^166483009 is an apocalyptic number.

It is an amenable number.

166483009 is a deficient number, since it is larger than the sum of its proper divisors (42084287).

166483009 is a wasteful number, since it uses less digits than its factorization.

166483009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10476.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 166483009 is about 12902.8294958897. The cubic root of 166483009 is about 550.1189924360.

The spelling of 166483009 in words is "one hundred sixty-six million, four hundred eighty-three thousand, nine".