14646664 has 8 divisors (see below), whose sum is σ = 27462510. Its totient is φ = 7323328.

The previous prime is 14646659. The next prime is 14646677. The reversal of 14646664 is 46664641.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9548100 + 5098564 = 3090^2 + 2258^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 915409 + ... + 915424.

Almost surely, 2^14646664 is an apocalyptic number.

It is an amenable number.

14646664 is a deficient number, since it is larger than the sum of its proper divisors (12815846).

14646664 is a wasteful number, since it uses less digits than its factorization.

14646664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830839 (or 1830835 counting only the distinct ones).

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

The square root of 14646664 is about 3827.0960270158. The cubic root of 14646664 is about 244.6693526604.

It can be divided in two parts, 1464 and 6664, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 14646664 in words is "fourteen million, six hundred forty-six thousand, six hundred sixty-four".