7311666733663 has 2 divisors, whose sum is σ = 7311666733664. Its totient is φ = 7311666733662.

The previous prime is 7311666733649. The next prime is 7311666733667. The reversal of 7311666733663 is 3663376661137.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7311666733663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7311666733598 and 7311666733607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7311666733667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3655833366831 + 3655833366832.

It is an arithmetic number, because the mean of its divisors is an integer number (3655833366832).

Almost surely, 2^{7311666733663} is an apocalyptic number.

7311666733663 is a deficient number, since it is larger than the sum of its proper divisors (1).

7311666733663 is an equidigital number, since it uses as much as digits as its factorization.

7311666733663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30862944, while the sum is 58.

The spelling of 7311666733663 in words is "seven trillion, three hundred eleven billion, six hundred sixty-six million, seven hundred thirty-three thousand, six hundred sixty-three".