43666112 has 56 divisors (see below), whose sum is σ = 102473760. Its totient is φ = 18063360.

The previous prime is 43666097. The next prime is 43666151. The reversal of 43666112 is 21166634.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11312 + ... + 14672.

Almost surely, 2^43666112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43666112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51236880).

43666112 is an abundant number, since it is smaller than the sum of its proper divisors (58807648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43666112 is a wasteful number, since it uses less digits than its factorization.

43666112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3409 (or 3399 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 43666112 is about 6608.0338982181. The cubic root of 43666112 is about 352.1395796310.

The spelling of 43666112 in words is "forty-three million, six hundred sixty-six thousand, one hundred twelve".