12165466433 has 6 divisors (see below), whose sum is σ = 12839453874. Its totient is φ = 11525178384.

The previous prime is 12165466409. The next prime is 12165466477. The reversal of 12165466433 is 33466456121.

It can be written as a sum of positive squares in only one way, i.e., 6238314289 + 5927152144 = 78983^2 + 76988^2 .

It is not a de Polignac number, because 12165466433 - 2¹⁰ = 12165465409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12165466633) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16849316 + ... + 16850037.

It is an arithmetic number, because the mean of its divisors is an integer number (2139908979).

Almost surely, 2^12165466433 is an apocalyptic number.

It is an amenable number.

12165466433 is a deficient number, since it is larger than the sum of its proper divisors (673987441).

12165466433 is an equidigital number, since it uses as much as digits as its factorization.

12165466433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33699391 (or 33699372 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The spelling of 12165466433 in words is "twelve billion, one hundred sixty-five million, four hundred sixty-six thousand, four hundred thirty-three".