670170169 has 2 divisors, whose sum is σ = 670170170. Its totient is φ = 670170168.

The previous prime is 670170157. The next prime is 670170181. The reversal of 670170169 is 961071076.

It is a balanced prime because it is at equal distance from previous prime (670170157) and next prime (670170181).

It can be written as a sum of positive squares in only one way, i.e., 440496144 + 229674025 = 20988^2 + 15155^2 .

It is a cyclic number.

It is not a de Polignac number, because 670170169 - 2²¹ = 668073017 is a prime.

It is a super-2 number, since 2×670170169² = 898256110834977122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (670171169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335085084 + 335085085.

It is an arithmetic number, because the mean of its divisors is an integer number (335085085).

Almost surely, 2^670170169 is an apocalyptic number.

It is an amenable number.

670170169 is a deficient number, since it is larger than the sum of its proper divisors (1).

670170169 is an equidigital number, since it uses as much as digits as its factorization.

670170169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 670170169 is about 25887.6451034079. The cubic root of 670170169 is about 875.1080874367.

The spelling of 670170169 in words is "six hundred seventy million, one hundred seventy thousand, one hundred sixty-nine".