3667664173 has 2 divisors, whose sum is σ = 3667664174. Its totient is φ = 3667664172.

The previous prime is 3667664171. The next prime is 3667664227. The reversal of 3667664173 is 3714667663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2028871849 + 1638792324 = 45043^2 + 40482^2 .

It is a cyclic number.

It is not a de Polignac number, because 3667664173 - 2¹ = 3667664171 is a prime.

Together with 3667664171, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3667664171) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1833832086 + 1833832087.

It is an arithmetic number, because the mean of its divisors is an integer number (1833832087).

Almost surely, 2^3667664173 is an apocalyptic number.

It is an amenable number.

3667664173 is a deficient number, since it is larger than the sum of its proper divisors (1).

3667664173 is an equidigital number, since it uses as much as digits as its factorization.

3667664173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 49.

The square root of 3667664173 is about 60561.2431593011. The cubic root of 3667664173 is about 1542.1614912655.

The spelling of 3667664173 in words is "three billion, six hundred sixty-seven million, six hundred sixty-four thousand, one hundred seventy-three".