4641664 has 16 divisors (see below), whose sum is σ = 9247320. Its totient is φ = 2320768.

The previous prime is 4641647. The next prime is 4641667. The reversal of 4641664 is 4661464.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4641667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18004 + ... + 18259.

Almost surely, 2^4641664 is an apocalyptic number.

It is an amenable number.

4641664 is a deficient number, since it is larger than the sum of its proper divisors (4605656).

4641664 is an equidigital number, since it uses as much as digits as its factorization.

4641664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36277 (or 36265 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 4641664 is about 2154.4521345344. The cubic root of 4641664 is about 166.8109541618.

The spelling of 4641664 in words is "four million, six hundred forty-one thousand, six hundred sixty-four".