12846530669646 has 32 divisors (see below), whose sum is σ = 26093270960640. Its totient is φ = 4215787707456.

The previous prime is 12846530669593. The next prime is 12846530669647. The reversal of 12846530669646 is 64696603564821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12846530669647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38887951 + ... + 39216906.

It is an arithmetic number, because the mean of its divisors is an integer number (815414717520).

Almost surely, 2^{12846530669646} is an apocalyptic number.

12846530669646 is an abundant number, since it is smaller than the sum of its proper divisors (13246740290994).

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

12846530669646 is a wasteful number, since it uses less digits than its factorization.

12846530669646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78105288.

The product of its (nonzero) digits is 268738560, while the sum is 66.

The spelling of 12846530669646 in words is "twelve trillion, eight hundred forty-six billion, five hundred thirty million, six hundred sixty-nine thousand, six hundred forty-six".