3166816 has 12 divisors (see below), whose sum is σ = 6234732. Its totient is φ = 1583392.

The previous prime is 3166781. The next prime is 3166817. The reversal of 3166816 is 6186613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3166817) 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 as a sum of consecutive naturals, namely, 49450 + ... + 49513.

It is an arithmetic number, because the mean of its divisors is an integer number (519561).

Almost surely, 2^3166816 is an apocalyptic number.

It is an amenable number.

3166816 is a deficient number, since it is larger than the sum of its proper divisors (3067916).

3166816 is an equidigital number, since it uses as much as digits as its factorization.

3166816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98973 (or 98965 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 3166816 is about 1779.5550005549. Note that the first 3 decimals coincide. The cubic root of 3166816 is about 146.8501102233.

It can be divided in two parts, 31668 and 16, that added together give a square (31684 = 178²).

The spelling of 3166816 in words is "three million, one hundred sixty-six thousand, eight hundred sixteen".