3166643 has 2 divisors, whose sum is σ = 3166644. Its totient is φ = 3166642.

The previous prime is 3166637. The next prime is 3166651. The reversal of 3166643 is 3466613.

It is a weak prime.

It is an emirp because it is prime and its reverse (3466613) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3166643 - 2⁴ = 3166627 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (3166613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1583321 + 1583322.

It is an arithmetic number, because the mean of its divisors is an integer number (1583322).

Almost surely, 2^3166643 is an apocalyptic number.

3166643 is a deficient number, since it is larger than the sum of its proper divisors (1).

3166643 is an equidigital number, since it uses as much as digits as its factorization.

3166643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 29.

The square root of 3166643 is about 1779.5063922335. The cubic root of 3166643 is about 146.8474360829.

The spelling of 3166643 in words is "three million, one hundred sixty-six thousand, six hundred forty-three".