12046881566 has 8 divisors (see below), whose sum is σ = 18091410480. Its totient is φ = 6016411408.

The previous prime is 12046881461. The next prime is 12046881569. The reversal of 12046881566 is 66518864021.

12046881566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×12046881566² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12046881566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12046881569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3512546 + ... + 3515973.

It is an arithmetic number, because the mean of its divisors is an integer number (2261426310).

Almost surely, 2^12046881566 is an apocalyptic number.

12046881566 is a deficient number, since it is larger than the sum of its proper divisors (6044528914).

12046881566 is an equidigital number, since it uses as much as digits as its factorization.

12046881566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7029378.

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 12046881566 in words is "twelve billion, forty-six million, eight hundred eighty-one thousand, five hundred sixty-six".