3166866 has 12 divisors (see below), whose sum is σ = 6861582. Its totient is φ = 1055616.

The previous prime is 3166859. The next prime is 3166871. The reversal of 3166866 is 6686613.

It can be written as a sum of positive squares in only one way, i.e., 3164841 + 2025 = 1779^2 + 45^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3166866.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 87951 + ... + 87986.

Almost surely, 2^3166866 is an apocalyptic number.

3166866 is an abundant number, since it is smaller than the sum of its proper divisors (3694716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3166866 is a wasteful number, since it uses less digits than its factorization.

3166866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175945 (or 175942 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 3166866 is about 1779.5690489554. The cubic root of 3166866 is about 146.8508830781.

The spelling of 3166866 in words is "three million, one hundred sixty-six thousand, eight hundred sixty-six".