6466530630 has 64 divisors (see below), whose sum is σ = 17749237248. Its totient is φ = 1477025280.

The previous prime is 6466530593. The next prime is 6466530643. The reversal of 6466530630 is 360356646.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 311454 + ... + 331566.

It is an arithmetic number, because the mean of its divisors is an integer number (277331832).

Almost surely, 2^6466530630 is an apocalyptic number.

6466530630 is an abundant number, since it is smaller than the sum of its proper divisors (11282706618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6466530630 is a wasteful number, since it uses less digits than its factorization.

6466530630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21661.

The product of its (nonzero) digits is 233280, while the sum is 39.

The square root of 6466530630 is about 80414.7413724623. The cubic root of 6466530630 is about 1863.0468648038.

The spelling of 6466530630 in words is "six billion, four hundred sixty-six million, five hundred thirty thousand, six hundred thirty".