3216166 has 4 divisors (see below), whose sum is σ = 4824252. Its totient is φ = 1608082.

The previous prime is 3216139. The next prime is 3216197. The reversal of 3216166 is 6616123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6616123 = 19 ⋅348217.

It is a self number, because there is not a number n which added to its sum of digits gives 3216166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 804040 + ... + 804043.

It is an arithmetic number, because the mean of its divisors is an integer number (1206063).

Almost surely, 2^3216166 is an apocalyptic number.

3216166 is a deficient number, since it is larger than the sum of its proper divisors (1608086).

3216166 is a wasteful number, since it uses less digits than its factorization.

3216166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608085.

The product of its digits is 1296, while the sum is 25.

The square root of 3216166 is about 1793.3672239672. The cubic root of 3216166 is about 147.6089934615.

The spelling of 3216166 in words is "three million, two hundred sixteen thousand, one hundred sixty-six".