1678103767063 has 2 divisors, whose sum is σ = 1678103767064. Its totient is φ = 1678103767062.

The previous prime is 1678103767061. The next prime is 1678103767091. The reversal of 1678103767063 is 3607673018761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1678103767063 - 2¹ = 1678103767061 is a prime.

Together with 1678103767061, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1678103766995 and 1678103767013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1678103767061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 839051883531 + 839051883532.

It is an arithmetic number, because the mean of its divisors is an integer number (839051883532).

Almost surely, 2^{1678103767063} is an apocalyptic number.

1678103767063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1678103767063 is an equidigital number, since it uses as much as digits as its factorization.

1678103767063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5334336, while the sum is 55.

The spelling of 1678103767063 in words is "one trillion, six hundred seventy-eight billion, one hundred three million, seven hundred sixty-seven thousand, sixty-three".