16121330143 has 2 divisors, whose sum is σ = 16121330144. Its totient is φ = 16121330142.

The previous prime is 16121330087. The next prime is 16121330167. The reversal of 16121330143 is 34103312161.

It is a strong prime.

It is an emirp because it is prime and its reverse (34103312161) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16121330143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16121330243) 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, 8060665071 + 8060665072.

It is an arithmetic number, because the mean of its divisors is an integer number (8060665072).

Almost surely, 2^16121330143 is an apocalyptic number.

16121330143 is a deficient number, since it is larger than the sum of its proper divisors (1).

16121330143 is an equidigital number, since it uses as much as digits as its factorization.

16121330143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 16121330143 in words is "sixteen billion, one hundred twenty-one million, three hundred thirty thousand, one hundred forty-three".