3666169 has 16 divisors (see below), whose sum is σ = 4272912. Its totient is φ = 3115008.

The previous prime is 3666167. The next prime is 3666197. The reversal of 3666169 is 9616663.

It can be written as a sum of positive squares in 8 ways, for example, as 291600 + 3374569 = 540^2 + 1837^2 .

It is not a de Polignac number, because 3666169 - 2¹ = 3666167 is a prime.

It is a super-2 number, since 2×3666169² = 26881590273122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3666163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11557 + ... + 11869.

It is an arithmetic number, because the mean of its divisors is an integer number (267057).

Almost surely, 2^3666169 is an apocalyptic number.

It is an amenable number.

3666169 is a deficient number, since it is larger than the sum of its proper divisors (606743).

3666169 is a wasteful number, since it uses less digits than its factorization.

3666169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396.

The product of its digits is 34992, while the sum is 37.

The square root of 3666169 is about 1914.7242621328. The cubic root of 3666169 is about 154.1951901772.

The spelling of 3666169 in words is "three million, six hundred sixty-six thousand, one hundred sixty-nine".