166000313 has 2 divisors, whose sum is σ = 166000314. Its totient is φ = 166000312.

The previous prime is 166000301. The next prime is 166000357. The reversal of 166000313 is 313000661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165817129 + 183184 = 12877^2 + 428^2 .

It is a cyclic number.

It is not a de Polignac number, because 166000313 - 2⁸ = 166000057 is a prime.

It is a super-2 number, since 2×166000313² = 55112207832195938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (166000363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83000156 + 83000157.

It is an arithmetic number, because the mean of its divisors is an integer number (83000157).

Almost surely, 2^166000313 is an apocalyptic number.

It is an amenable number.

166000313 is a deficient number, since it is larger than the sum of its proper divisors (1).

166000313 is an equidigital number, since it uses as much as digits as its factorization.

166000313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 166000313 is about 12884.1108734751. The cubic root of 166000313 is about 549.5868114321.

Adding to 166000313 its reverse (313000661), we get a palindrome (479000974).

The spelling of 166000313 in words is "one hundred sixty-six million, three hundred thirteen", and thus it is an aban number.