1683668700163 has 2 divisors, whose sum is σ = 1683668700164. Its totient is φ = 1683668700162.

The previous prime is 1683668700121. The next prime is 1683668700187. The reversal of 1683668700163 is 3610078663861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1683668700163 - 2⁹ = 1683668699651 is a prime.

It is not a weakly prime, because it can be changed into another prime (1683668700863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 841834350081 + 841834350082.

It is an arithmetic number, because the mean of its divisors is an integer number (841834350082).

Almost surely, 2^{1683668700163} is an apocalyptic number.

1683668700163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1683668700163 is an equidigital number, since it uses as much as digits as its factorization.

1683668700163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 1683668700163 in words is "one trillion, six hundred eighty-three billion, six hundred sixty-eight million, seven hundred thousand, one hundred sixty-three".