166203029 has 2 divisors, whose sum is σ = 166203030. Its totient is φ = 166203028.

The previous prime is 166203007. The next prime is 166203049. The reversal of 166203029 is 920302661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88322404 + 77880625 = 9398^2 + 8825^2 .

It is an emirp because it is prime and its reverse (920302661) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166203029 is a prime.

It is a Chen prime.

It is equal to p_9302339 and since 166203029 and 9302339 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 166202992 and 166203010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166203049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83101514 + 83101515.

It is an arithmetic number, because the mean of its divisors is an integer number (83101515).

Almost surely, 2^166203029 is an apocalyptic number.

It is an amenable number.

166203029 is a deficient number, since it is larger than the sum of its proper divisors (1).

166203029 is an equidigital number, since it uses as much as digits as its factorization.

166203029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 166203029 is about 12891.9753723004. The cubic root of 166203029 is about 549.8104349468.

The spelling of 166203029 in words is "one hundred sixty-six million, two hundred three thousand, twenty-nine".