3629818166173 has 2 divisors, whose sum is σ = 3629818166174. Its totient is φ = 3629818166172.

The previous prime is 3629818166171. The next prime is 3629818166257. The reversal of 3629818166173 is 3716618189263.

It is a happy number.

3629818166173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3518314264089 + 111503902084 = 1875717^2 + 333922^2 .

It is a cyclic number.

It is not a de Polignac number, because 3629818166173 - 2¹ = 3629818166171 is a prime.

Together with 3629818166171, 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 (3629818166171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1814909083086 + 1814909083087.

It is an arithmetic number, because the mean of its divisors is an integer number (1814909083087).

Almost surely, 2^{3629818166173} is an apocalyptic number.

It is an amenable number.

3629818166173 is a deficient number, since it is larger than the sum of its proper divisors (1).

3629818166173 is an equidigital number, since it uses as much as digits as its factorization.

3629818166173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15676416, while the sum is 61.

The spelling of 3629818166173 in words is "three trillion, six hundred twenty-nine billion, eight hundred eighteen million, one hundred sixty-six thousand, one hundred seventy-three".