166203341 has 2 divisors, whose sum is σ = 166203342. Its totient is φ = 166203340.

The previous prime is 166203337. The next prime is 166203347. The reversal of 166203341 is 143302661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89378116 + 76825225 = 9454^2 + 8765^2 .

It is a cyclic number.

It is not a de Polignac number, because 166203341 - 2² = 166203337 is a prime.

It is a Chen prime.

It is equal to p_9302354 and since 166203341 and 9302354 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 166203341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166203347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83101670 + 83101671.

It is an arithmetic number, because the mean of its divisors is an integer number (83101671).

Almost surely, 2^166203341 is an apocalyptic number.

It is an amenable number.

166203341 is a deficient number, since it is larger than the sum of its proper divisors (1).

166203341 is an equidigital number, since it uses as much as digits as its factorization.

166203341 is an odious number, because the sum of its binary digits is odd.

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

The square root of 166203341 is about 12891.9874728453. The cubic root of 166203341 is about 549.8107789853.

The spelling of 166203341 in words is "one hundred sixty-six million, two hundred three thousand, three hundred forty-one".