2176319780648 has 64 divisors (see below), whose sum is σ = 4515527036160. Its totient is φ = 977052347136.

The previous prime is 2176319780639. The next prime is 2176319780681. The reversal of 2176319780648 is 8460879136712.

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 15 ways as a sum of consecutive naturals, for example, 569015 + ... + 2162502.

It is an arithmetic number, because the mean of its divisors is an integer number (70555109940).

Almost surely, 2^{2176319780648} is an apocalyptic number.

It is an amenable number.

2176319780648 is an abundant number, since it is smaller than the sum of its proper divisors (2339207255512).

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

2176319780648 is a wasteful number, since it uses less digits than its factorization.

2176319780648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2731746 (or 2731742 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 62.

The spelling of 2176319780648 in words is "two trillion, one hundred seventy-six billion, three hundred nineteen million, seven hundred eighty thousand, six hundred forty-eight".