16221466402202 has 8 divisors (see below), whose sum is σ = 24418791061812. Its totient is φ = 8081869381600.

The previous prime is 16221466402201. The next prime is 16221466402237. The reversal of 16221466402202 is 20220466412261.

It can be written as a sum of positive squares in 2 ways, for example, as 15559230141361 + 662236260841 = 3944519^2 + 813779^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (16221466402201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14431909049 + ... + 14431910172.

Almost surely, 2^{16221466402202} is an apocalyptic number.

16221466402202 is a deficient number, since it is larger than the sum of its proper divisors (8197324659610).

16221466402202 is a wasteful number, since it uses less digits than its factorization.

16221466402202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28863819504.

The product of its (nonzero) digits is 110592, while the sum is 38.

The spelling of 16221466402202 in words is "sixteen trillion, two hundred twenty-one billion, four hundred sixty-six million, four hundred two thousand, two hundred two".