12166645043 has 8 divisors (see below), whose sum is σ = 14010881280. Its totient is φ = 10348944840.

The previous prime is 12166645037. The next prime is 12166645063. The reversal of 12166645043 is 34054666121.

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

It is a cyclic number.

It is not a de Polignac number, because 12166645043 - 2⁶ = 12166644979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12166644988 and 12166645006.

It is not an unprimeable number, because it can be changed into a prime (12166645033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6633023 + ... + 6634856.

It is an arithmetic number, because the mean of its divisors is an integer number (1751360160).

Almost surely, 2^12166645043 is an apocalyptic number.

12166645043 is a deficient number, since it is larger than the sum of its proper divisors (1844236237).

12166645043 is a wasteful number, since it uses less digits than its factorization.

12166645043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13268017.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 12166645043 in words is "twelve billion, one hundred sixty-six million, six hundred forty-five thousand, forty-three".