166368701 has 2 divisors, whose sum is σ = 166368702. Its totient is φ = 166368700.

The previous prime is 166368641. The next prime is 166368703. The reversal of 166368701 is 107863661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143376676 + 22992025 = 11974^2 + 4795^2 .

It is a cyclic number.

It is not a de Polignac number, because 166368701 - 2¹⁸ = 166106557 is a prime.

Together with 166368703, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166368703) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83184350 + 83184351.

It is an arithmetic number, because the mean of its divisors is an integer number (83184351).

Almost surely, 2^166368701 is an apocalyptic number.

It is an amenable number.

166368701 is a deficient number, since it is larger than the sum of its proper divisors (1).

166368701 is an equidigital number, since it uses as much as digits as its factorization.

166368701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 166368701 is about 12898.3991642374. The cubic root of 166368701 is about 549.9930588656.

The spelling of 166368701 in words is "one hundred sixty-six million, three hundred sixty-eight thousand, seven hundred one".