16422166201 has 9 divisors (see below), whose sum is σ = 19104379749. Its totient is φ = 14075373564.

The previous prime is 16422166147. The next prime is 16422166231. The reversal of 16422166201 is 10266122461.

It is a happy number.

The square root of 16422166201 is 128149.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 16422166201 - 2¹¹ = 16422164153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16422166231) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 887890 + ... + 906196.

It is an arithmetic number, because the mean of its divisors is an integer number (2122708861).

Almost surely, 2^16422166201 is an apocalyptic number.

16422166201 is the 128149-th square number.

16422166201 is the 64075-th centered octagonal number.

It is an amenable number.

16422166201 is a deficient number, since it is larger than the sum of its proper divisors (2682213548).

16422166201 is an frugal number, since it uses more digits than its factorization.

16422166201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36628 (or 18314 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 16422166201 its reverse (10266122461), we get a palindrome (26688288662).

The spelling of 16422166201 in words is "sixteen billion, four hundred twenty-two million, one hundred sixty-six thousand, two hundred one".