1020703666663 has 2 divisors, whose sum is σ = 1020703666664. Its totient is φ = 1020703666662.

The previous prime is 1020703666627. The next prime is 1020703666687. The reversal of 1020703666663 is 3666663070201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020703666663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020703667663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510351833331 + 510351833332.

It is an arithmetic number, because the mean of its divisors is an integer number (510351833332).

Almost surely, 2^{1020703666663} is an apocalyptic number.

1020703666663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020703666663 is an equidigital number, since it uses as much as digits as its factorization.

1020703666663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 46.

The spelling of 1020703666663 in words is "one trillion, twenty billion, seven hundred three million, six hundred sixty-six thousand, six hundred sixty-three".