16476127622321 has 2 divisors, whose sum is σ = 16476127622322. Its totient is φ = 16476127622320.

The previous prime is 16476127622303. The next prime is 16476127622329. The reversal of 16476127622321 is 12322672167461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15772812250000 + 703315372321 = 3971500^2 + 838639^2 .

It is a cyclic number.

It is not a de Polignac number, because 16476127622321 - 2¹⁸ = 16476127360177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16476127622321.

It is not a weakly prime, because it can be changed into another prime (16476127622329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8238063811160 + 8238063811161.

It is an arithmetic number, because the mean of its divisors is an integer number (8238063811161).

Almost surely, 2^{16476127622321} is an apocalyptic number.

It is an amenable number.

16476127622321 is a deficient number, since it is larger than the sum of its proper divisors (1).

16476127622321 is an equidigital number, since it uses as much as digits as its factorization.

16476127622321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2032128, while the sum is 50.

Adding to 16476127622321 its reverse (12322672167461), we get a palindrome (28798799789782).

The spelling of 16476127622321 in words is "sixteen trillion, four hundred seventy-six billion, one hundred twenty-seven million, six hundred twenty-two thousand, three hundred twenty-one".