1683641218067 has 2 divisors, whose sum is σ = 1683641218068. Its totient is φ = 1683641218066.

The previous prime is 1683641218031. The next prime is 1683641218079. The reversal of 1683641218067 is 7608121463861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1683641218067 - 2¹² = 1683641213971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1683641218097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 841820609033 + 841820609034.

It is an arithmetic number, because the mean of its divisors is an integer number (841820609034).

Almost surely, 2^{1683641218067} is an apocalyptic number.

1683641218067 is a deficient number, since it is larger than the sum of its proper divisors (1).

1683641218067 is an equidigital number, since it uses as much as digits as its factorization.

1683641218067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 1683641218067 in words is "one trillion, six hundred eighty-three billion, six hundred forty-one million, two hundred eighteen thousand, sixty-seven".