16022211181 has 2 divisors, whose sum is σ = 16022211182. Its totient is φ = 16022211180.

The previous prime is 16022211173. The next prime is 16022211197. The reversal of 16022211181 is 18111222061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15466901956 + 555309225 = 124366^2 + 23565^2 .

It is a cyclic number.

It is not a de Polignac number, because 16022211181 - 2³ = 16022211173 is a prime.

It is a super-2 number, since 2×16022211181² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16022212181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8011105590 + 8011105591.

It is an arithmetic number, because the mean of its divisors is an integer number (8011105591).

Almost surely, 2^16022211181 is an apocalyptic number.

It is an amenable number.

16022211181 is a deficient number, since it is larger than the sum of its proper divisors (1).

16022211181 is an equidigital number, since it uses as much as digits as its factorization.

16022211181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 25.

The spelling of 16022211181 in words is "sixteen billion, twenty-two million, two hundred eleven thousand, one hundred eighty-one".