3166620705643 has 2 divisors, whose sum is σ = 3166620705644. Its totient is φ = 3166620705642.

The previous prime is 3166620705607. The next prime is 3166620705683. The reversal of 3166620705643 is 3465070266613.

3166620705643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3166620705643 - 2¹³ = 3166620697451 is a prime.

It is not a weakly prime, because it can be changed into another prime (3166620705683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1583310352821 + 1583310352822.

It is an arithmetic number, because the mean of its divisors is an integer number (1583310352822).

Almost surely, 2^{3166620705643} is an apocalyptic number.

3166620705643 is a deficient number, since it is larger than the sum of its proper divisors (1).

3166620705643 is an equidigital number, since it uses as much as digits as its factorization.

3166620705643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 49.

The spelling of 3166620705643 in words is "three trillion, one hundred sixty-six billion, six hundred twenty million, seven hundred five thousand, six hundred forty-three".