16926683582321 has 2 divisors, whose sum is σ = 16926683582322. Its totient is φ = 16926683582320.

The previous prime is 16926683582311. The next prime is 16926683582357. The reversal of 16926683582321 is 12328538662961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11233859373025 + 5692824209296 = 3351695^2 + 2385964^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16926683582321 is a prime.

It is not a weakly prime, because it can be changed into another prime (16926683582311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8463341791160 + 8463341791161.

It is an arithmetic number, because the mean of its divisors is an integer number (8463341791161).

Almost surely, 2^{16926683582321} is an apocalyptic number.

It is an amenable number.

16926683582321 is a deficient number, since it is larger than the sum of its proper divisors (1).

16926683582321 is an equidigital number, since it uses as much as digits as its factorization.

16926683582321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44789760, while the sum is 62.

The spelling of 16926683582321 in words is "sixteen trillion, nine hundred twenty-six billion, six hundred eighty-three million, five hundred eighty-two thousand, three hundred twenty-one".