14666644 has 6 divisors (see below), whose sum is σ = 25666634. Its totient is φ = 7333320.

The previous prime is 14666623. The next prime is 14666647. The reversal of 14666644 is 44666641.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 14516100 + 150544 = 3810^2 + 388^2 .

It is a super-2 number, since 2×14666644² = 430220892445472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14666647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1833327 + ... + 1833334.

Almost surely, 2^14666644 is an apocalyptic number.

It is an amenable number.

14666644 is a deficient number, since it is larger than the sum of its proper divisors (10999990).

14666644 is a wasteful number, since it uses less digits than its factorization.

14666644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3666665 (or 3666663 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 14666644 is about 3829.7054717041. The cubic root of 14666644 is about 244.7805559691.

The spelling of 14666644 in words is "fourteen million, six hundred sixty-six thousand, six hundred forty-four".