12660141646 has 16 divisors (see below), whose sum is σ = 19895385600. Its totient is φ = 6034442040.

The previous prime is 12660141631. The next prime is 12660141647. The reversal of 12660141646 is 64614106621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12660141647) 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 7 ways as a sum of consecutive naturals, for example, 1519696 + ... + 1528003.

It is an arithmetic number, because the mean of its divisors is an integer number (1243461600).

Almost surely, 2^12660141646 is an apocalyptic number.

12660141646 is a deficient number, since it is larger than the sum of its proper divisors (7235243954).

12660141646 is a wasteful number, since it uses less digits than its factorization.

12660141646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3047799.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 12660141646 in words is "twelve billion, six hundred sixty million, one hundred forty-one thousand, six hundred forty-six".