12164444066 has 8 divisors (see below), whose sum is σ = 18256240080. Its totient is φ = 6079030708.

The previous prime is 12164443933. The next prime is 12164444077. The reversal of 12164444066 is 66044446121.

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

It is a super-2 number, since 2×12164444066² (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 3 ways as a sum of consecutive naturals, for example, 1590896 + ... + 1598523.

It is an arithmetic number, because the mean of its divisors is an integer number (2282030010).

Almost surely, 2^12164444066 is an apocalyptic number.

12164444066 is a deficient number, since it is larger than the sum of its proper divisors (6091796014).

12164444066 is a wasteful number, since it uses less digits than its factorization.

12164444066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3191328.

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

The spelling of 12164444066 in words is "twelve billion, one hundred sixty-four million, four hundred forty-four thousand, sixty-six".