166242304 has 24 divisors (see below), whose sum is σ = 332407530. Its totient is φ = 83120128.

The previous prime is 166242301. The next prime is 166242317. The reversal of 166242304 is 403242661.

It can be written as a sum of positive squares in only one way, i.e., 154952704 + 11289600 = 12448^2 + 3360^2 .

It is not an unprimeable number, because it can be changed into a prime (166242301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38539 + ... + 42634.

Almost surely, 2^166242304 is an apocalyptic number.

It is an amenable number.

166242304 is a deficient number, since it is larger than the sum of its proper divisors (166165226).

166242304 is an frugal number, since it uses more digits than its factorization.

166242304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81195 (or 81175 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 166242304 is about 12893.4985166944. The cubic root of 166242304 is about 549.8537396211.

Adding to 166242304 its reverse (403242661), we get a palindrome (569484965).

The spelling of 166242304 in words is "one hundred sixty-six million, two hundred forty-two thousand, three hundred four".