2641326560646 has 16 divisors (see below), whose sum is σ = 5295959557104. Its totient is φ = 878224447584.

The previous prime is 2641326560633. The next prime is 2641326560671. The reversal of 2641326560646 is 6460656231462.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 554432245 + ... + 554437008.

It is an arithmetic number, because the mean of its divisors is an integer number (330997472319).

Almost surely, 2^{2641326560646} is an apocalyptic number.

2641326560646 is an abundant number, since it is smaller than the sum of its proper divisors (2654632996458).

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

2641326560646 is a wasteful number, since it uses less digits than its factorization.

2641326560646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108869655.

The product of its (nonzero) digits is 7464960, while the sum is 51.

The spelling of 2641326560646 in words is "two trillion, six hundred forty-one billion, three hundred twenty-six million, five hundred sixty thousand, six hundred forty-six".