3163666 has 24 divisors (see below), whose sum is σ = 5530140. Its totient is φ = 1351680.

The previous prime is 3163663. The next prime is 3163681. The reversal of 3163666 is 6663613.

It can be written as a sum of positive squares in 2 ways, for example, as 3136441 + 27225 = 1771^2 + 165^2 .

It is a super-3 number, since 3×3163666³ = 94993335255180876888, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (3163663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3730 + ... + 4498.

Almost surely, 2^3163666 is an apocalyptic number.

3163666 is a deficient number, since it is larger than the sum of its proper divisors (2366474).

3163666 is a wasteful number, since it uses less digits than its factorization.

3163666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810 (or 799 counting only the distinct ones).

The product of its digits is 11664, while the sum is 31.

The square root of 3163666 is about 1778.6697276335. The cubic root of 3163666 is about 146.8014039617.

The spelling of 3163666 in words is "three million, one hundred sixty-three thousand, six hundred sixty-six".