16221046363 has 2 divisors, whose sum is σ = 16221046364. Its totient is φ = 16221046362.

The previous prime is 16221046337. The next prime is 16221046397. The reversal of 16221046363 is 36364012261.

It is an a-pointer prime, because the next prime (16221046397) can be obtained adding 16221046363 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16221046363 - 2²¹ = 16218949211 is a prime.

It is a super-2 number, since 2×16221046363² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16221046313) 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, 8110523181 + 8110523182.

It is an arithmetic number, because the mean of its divisors is an integer number (8110523182).

Almost surely, 2^16221046363 is an apocalyptic number.

16221046363 is a deficient number, since it is larger than the sum of its proper divisors (1).

16221046363 is an equidigital number, since it uses as much as digits as its factorization.

16221046363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 16221046363 in words is "sixteen billion, two hundred twenty-one million, forty-six thousand, three hundred sixty-three".