166306004 has 12 divisors (see below), whose sum is σ = 298134228. Its totient is φ = 81124800.

The previous prime is 166306003. The next prime is 166306033. The reversal of 166306004 is 400603661.

It can be written as a sum of positive squares in 2 ways, for example, as 94090000 + 72216004 = 9700^2 + 8498^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166306001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506867 + ... + 507194.

It is an arithmetic number, because the mean of its divisors is an integer number (24844519).

Almost surely, 2^166306004 is an apocalyptic number.

It is an amenable number.

166306004 is a deficient number, since it is larger than the sum of its proper divisors (131828224).

166306004 is a wasteful number, since it uses less digits than its factorization.

166306004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014106 (or 1014104 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 166306004 is about 12895.9685173313. The cubic root of 166306004 is about 549.9239608377.

Adding to 166306004 its reverse (400603661), we get a palindrome (566909665).

The spelling of 166306004 in words is "one hundred sixty-six million, three hundred six thousand, four".