16656103212703 has 2 divisors, whose sum is σ = 16656103212704. Its totient is φ = 16656103212702.

The previous prime is 16656103212659. The next prime is 16656103212737. The reversal of 16656103212703 is 30721230165661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16656103212703 - 2²⁵ = 16656069658271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16656103212703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16656103213703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8328051606351 + 8328051606352.

It is an arithmetic number, because the mean of its divisors is an integer number (8328051606352).

Almost surely, 2^{16656103212703} is an apocalyptic number.

16656103212703 is a deficient number, since it is larger than the sum of its proper divisors (1).

16656103212703 is an equidigital number, since it uses as much as digits as its factorization.

16656103212703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 16656103212703 in words is "sixteen trillion, six hundred fifty-six billion, one hundred three million, two hundred twelve thousand, seven hundred three".