646046336330 has 16 divisors (see below), whose sum is σ = 1162917942624. Its totient is φ = 258410859600.

The previous prime is 646046336323. The next prime is 646046336359. The reversal of 646046336330 is 33633640646.

646046336330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 599396 + ... + 1285055.

It is an arithmetic number, because the mean of its divisors is an integer number (72682371414).

Almost surely, 2^646046336330 is an apocalyptic number.

646046336330 is a deficient number, since it is larger than the sum of its proper divisors (516871606294).

646046336330 is a wasteful number, since it uses less digits than its factorization.

646046336330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918741.

The product of its (nonzero) digits is 1679616, while the sum is 44.

Adding to 646046336330 its reverse (33633640646), we get a palindrome (679679976976).

The spelling of 646046336330 in words is "six hundred forty-six billion, forty-six million, three hundred thirty-six thousand, three hundred thirty".