6636464 has 10 divisors (see below), whose sum is σ = 12858180. Its totient is φ = 3318224.

The previous prime is 6636457. The next prime is 6636467. The reversal of 6636464 is 4646366.

It is not an unprimeable number, because it can be changed into a prime (6636467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207374 + ... + 207405.

It is an arithmetic number, because the mean of its divisors is an integer number (1285818).

Almost surely, 2^6636464 is an apocalyptic number.

It is an amenable number.

6636464 is a deficient number, since it is larger than the sum of its proper divisors (6221716).

6636464 is a wasteful number, since it uses less digits than its factorization.

6636464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414787 (or 414781 counting only the distinct ones).

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

The square root of 6636464 is about 2576.1335369115. The cubic root of 6636464 is about 187.9225575106.

The spelling of 6636464 in words is "six million, six hundred thirty-six thousand, four hundred sixty-four".