166120337 has 2 divisors, whose sum is σ = 166120338. Its totient is φ = 166120336.

The previous prime is 166120313. The next prime is 166120349. The reversal of 166120337 is 733021661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136515856 + 29604481 = 11684^2 + 5441^2 .

It is a cyclic number.

It is not a de Polignac number, because 166120337 - 2¹⁰ = 166119313 is a prime.

It is not a weakly prime, because it can be changed into another prime (166120307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83060168 + 83060169.

It is an arithmetic number, because the mean of its divisors is an integer number (83060169).

Almost surely, 2^166120337 is an apocalyptic number.

It is an amenable number.

166120337 is a deficient number, since it is larger than the sum of its proper divisors (1).

166120337 is an equidigital number, since it uses as much as digits as its factorization.

166120337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 166120337 is about 12888.7678619797. The cubic root of 166120337 is about 549.7192363146.

Adding to 166120337 its reverse (733021661), we get a palindrome (899141998).

The spelling of 166120337 in words is "one hundred sixty-six million, one hundred twenty thousand, three hundred thirty-seven".