16065443122 has 32 divisors (see below), whose sum is σ = 26882297280. Its totient is φ = 7155993600.

The previous prime is 16065443117. The next prime is 16065443123. The reversal of 16065443122 is 22134456061.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (16065443123) 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 in 15 ways as a sum of consecutive naturals, for example, 765493 + ... + 786199.

It is an arithmetic number, because the mean of its divisors is an integer number (840071790).

Almost surely, 2^16065443122 is an apocalyptic number.

16065443122 is a deficient number, since it is larger than the sum of its proper divisors (10816854158).

16065443122 is a wasteful number, since it uses less digits than its factorization.

16065443122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21946.

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 16065443122 its reverse (22134456061), we get a palindrome (38199899183).

The spelling of 16065443122 in words is "sixteen billion, sixty-five million, four hundred forty-three thousand, one hundred twenty-two".