12662044541 has 16 divisors (see below), whose sum is σ = 13045847040. Its totient is φ = 12283473840.

The previous prime is 12662044489. The next prime is 12662044597. The reversal of 12662044541 is 14544026621.

It is a cyclic number.

It is not a de Polignac number, because 12662044541 - 2³⁰ = 11588302717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12662044441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2782430 + ... + 2786976.

It is an arithmetic number, because the mean of its divisors is an integer number (815365440).

Almost surely, 2^12662044541 is an apocalyptic number.

It is an amenable number.

12662044541 is a deficient number, since it is larger than the sum of its proper divisors (383802499).

12662044541 is a wasteful number, since it uses less digits than its factorization.

12662044541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5104.

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 12662044541 in words is "twelve billion, six hundred sixty-two million, forty-four thousand, five hundred forty-one".