166650301 has 2 divisors, whose sum is σ = 166650302. Its totient is φ = 166650300.

The previous prime is 166650293. The next prime is 166650307. The reversal of 166650301 is 103056661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87422500 + 79227801 = 9350^2 + 8901^2 .

It is a cyclic number.

It is not a de Polignac number, because 166650301 - 2³ = 166650293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 166650301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166650307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83325150 + 83325151.

It is an arithmetic number, because the mean of its divisors is an integer number (83325151).

Almost surely, 2^166650301 is an apocalyptic number.

It is an amenable number.

166650301 is a deficient number, since it is larger than the sum of its proper divisors (1).

166650301 is an equidigital number, since it uses as much as digits as its factorization.

166650301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 166650301 is about 12909.3106322530. The cubic root of 166650301 is about 550.3031948126.

The spelling of 166650301 in words is "one hundred sixty-six million, six hundred fifty thousand, three hundred one".