6634664 has 16 divisors (see below), whose sum is σ = 12477300. Its totient is φ = 3307392.

The previous prime is 6634643. The next prime is 6634673. The reversal of 6634664 is 4664366.

It can be written as a sum of positive squares in 2 ways, for example, as 6041764 + 592900 = 2458^2 + 770^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2132 + ... + 4220.

Almost surely, 2^6634664 is an apocalyptic number.

It is an amenable number.

6634664 is a deficient number, since it is larger than the sum of its proper divisors (5842636).

6634664 is a wasteful number, since it uses less digits than its factorization.

6634664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492 (or 2488 counting only the distinct ones).

The product of its digits is 62208, while the sum is 35.

The square root of 6634664 is about 2575.7841524476. The cubic root of 6634664 is about 187.9055659726.

The spelling of 6634664 in words is "six million, six hundred thirty-four thousand, six hundred sixty-four".