16466402226 has 32 divisors (see below), whose sum is σ = 33831154368. Its totient is φ = 5339148480.

The previous prime is 16466402219. The next prime is 16466402257. The reversal of 16466402226 is 62220466461.

It is a super-2 number, since 2×16466402226² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1375101 + ... + 1387023.

It is an arithmetic number, because the mean of its divisors is an integer number (1057223574).

Almost surely, 2^16466402226 is an apocalyptic number.

16466402226 is an abundant number, since it is smaller than the sum of its proper divisors (17364752142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16466402226 is a wasteful number, since it uses less digits than its factorization.

16466402226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18186.

The product of its (nonzero) digits is 165888, while the sum is 39.

Adding to 16466402226 its reverse (62220466461), we get a palindrome (78686868687).

The spelling of 16466402226 in words is "sixteen billion, four hundred sixty-six million, four hundred two thousand, two hundred twenty-six".