3666870169 has 2 divisors, whose sum is σ = 3666870170. Its totient is φ = 3666870168.

The previous prime is 3666870161. The next prime is 3666870187. The reversal of 3666870169 is 9610786663.

3666870169 is digitally balanced in base 3, 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., 3649730569 + 17139600 = 60413^2 + 4140^2 .

It is a cyclic number.

It is not a de Polignac number, because 3666870169 - 2³ = 3666870161 is a prime.

It is a super-2 number, since 2×3666870169² = 26891873672604177122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3666870161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1833435084 + 1833435085.

It is an arithmetic number, because the mean of its divisors is an integer number (1833435085).

Almost surely, 2^3666870169 is an apocalyptic number.

It is an amenable number.

3666870169 is a deficient number, since it is larger than the sum of its proper divisors (1).

3666870169 is an equidigital number, since it uses as much as digits as its factorization.

3666870169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The square root of 3666870169 is about 60554.6874238485. The cubic root of 3666870169 is about 1542.0501969278.

The spelling of 3666870169 in words is "three billion, six hundred sixty-six million, eight hundred seventy thousand, one hundred sixty-nine".