6466530632 has 8 divisors (see below), whose sum is σ = 12124744950. Its totient is φ = 3233265312.

The previous prime is 6466530593. The next prime is 6466530643. The reversal of 6466530632 is 2360356646.

It can be written as a sum of positive squares in only one way, i.e., 6145619236 + 320911396 = 78394^2 + 17914^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 6466530632.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404158157 + ... + 404158172.

Almost surely, 2^6466530632 is an apocalyptic number.

It is an amenable number.

6466530632 is a deficient number, since it is larger than the sum of its proper divisors (5658214318).

6466530632 is a wasteful number, since it uses less digits than its factorization.

6466530632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808316335 (or 808316331 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 41.

The square root of 6466530632 is about 80414.7413848978. The cubic root of 6466530632 is about 1863.0468649959.

The spelling of 6466530632 in words is "six billion, four hundred sixty-six million, five hundred thirty thousand, six hundred thirty-two".