13824673666 has 32 divisors (see below), whose sum is σ = 22090857840. Its totient is φ = 6466123776.

The previous prime is 13824673663. The next prime is 13824673693. The reversal of 13824673666 is 66637642831.

It can be written as a sum of positive squares in 8 ways, for example, as 8659233025 + 5165440641 = 93055^2 + 71871^2 .

It is a super-3 number, since 3×13824673666³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (13824673663) 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, 6017430 + ... + 6019726.

Almost surely, 2^13824673666 is an apocalyptic number.

13824673666 is a deficient number, since it is larger than the sum of its proper divisors (8266184174).

13824673666 is a wasteful number, since it uses less digits than its factorization.

13824673666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3318.

The product of its digits is 5225472, while the sum is 52.

The spelling of 13824673666 in words is "thirteen billion, eight hundred twenty-four million, six hundred seventy-three thousand, six hundred sixty-six".