16675726993 has 2 divisors, whose sum is σ = 16675726994. Its totient is φ = 16675726992.

The previous prime is 16675726981. The next prime is 16675727071. The reversal of 16675726993 is 39962757661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9114902784 + 7560824209 = 95472^2 + 86953^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16675726993 is a prime.

It is not a weakly prime, because it can be changed into another prime (16675726913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8337863496 + 8337863497.

It is an arithmetic number, because the mean of its divisors is an integer number (8337863497).

Almost surely, 2^16675726993 is an apocalyptic number.

It is an amenable number.

16675726993 is a deficient number, since it is larger than the sum of its proper divisors (1).

16675726993 is an equidigital number, since it uses as much as digits as its factorization.

16675726993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25719120, while the sum is 61.

The spelling of 16675726993 in words is "sixteen billion, six hundred seventy-five million, seven hundred twenty-six thousand, nine hundred ninety-three".