13441918666 has 32 divisors (see below), whose sum is σ = 23551482240. Its totient is φ = 5685926400.

The previous prime is 13441918627. The next prime is 13441918667. The reversal of 13441918666 is 66681914431.

It is a super-3 number, since 3×13441918666³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13441918667) 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, 168630 + ... + 235201.

It is an arithmetic number, because the mean of its divisors is an integer number (735983820).

Almost surely, 2^13441918666 is an apocalyptic number.

13441918666 is a deficient number, since it is larger than the sum of its proper divisors (10109563574).

13441918666 is a wasteful number, since it uses less digits than its factorization.

13441918666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403950.

The product of its digits is 746496, while the sum is 49.

The spelling of 13441918666 in words is "thirteen billion, four hundred forty-one million, nine hundred eighteen thousand, six hundred sixty-six".