3665360027169 has 9 divisors (see below), whose sum is σ = 5294417224369. Its totient is φ = 2443569522420.

The previous prime is 3665360027149. The next prime is 3665360027227. The reversal of 3665360027169 is 9617200635663.

The square root of 3665360027169 is 1914513.

It is a perfect power (a square), and thus also a powerful number.

3665360027169 is a `hidden beast` number, since 3 + 6 + 6 + 5 + 3 + 600 + 27 + 1 + 6 + 9 = 666.

3665360027169 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 3665360027169 - 2¹⁷ = 3665359896097 is a prime.

It is a super-2 number, since 2×3665360027169² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3665360027149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5424454 + ... + 6062624.

Almost surely, 2^{3665360027169} is an apocalyptic number.

3665360027169 is the 1914513-rd square number.

3665360027169 is the 957257-th centered octagonal number.

It is an amenable number.

3665360027169 is a deficient number, since it is larger than the sum of its proper divisors (1629057197200).

3665360027169 is an frugal number, since it uses more digits than its factorization.

3665360027169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276348 (or 638174 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 54.

The spelling of 3665360027169 in words is "three trillion, six hundred sixty-five billion, three hundred sixty million, twenty-seven thousand, one hundred sixty-nine".