3666666666703 has 2 divisors, whose sum is σ = 3666666666704. Its totient is φ = 3666666666702.

The previous prime is 3666666666667. The next prime is 3666666666709. The reversal of 3666666666703 is 3076666666663.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3666666666703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3666666666709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1833333333351 + 1833333333352.

It is an arithmetic number, because the mean of its divisors is an integer number (1833333333352).

Almost surely, 2^{3666666666703} is an apocalyptic number.

3666666666703 is a deficient number, since it is larger than the sum of its proper divisors (1).

3666666666703 is an equidigital number, since it uses as much as digits as its factorization.

3666666666703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 634894848, while the sum is 67.

The spelling of 3666666666703 in words is "three trillion, six hundred sixty-six billion, six hundred sixty-six million, six hundred sixty-six thousand, seven hundred three".