1321670846448 has 60 divisors (see below), whose sum is σ = 3754049351208. Its totient is φ = 433981468800.

The previous prime is 1321670846437. The next prime is 1321670846449. The reversal of 1321670846448 is 8446480761231.

1321670846448 is a `hidden beast` number, since 1 + 32 + 167 + 0 + 8 + 4 + 6 + 448 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1321670846394 and 1321670846403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321670846449) 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 11 ways as a sum of consecutive naturals, for example, 68484903 + ... + 68504198.

Almost surely, 2^{1321670846448} is an apocalyptic number.

1321670846448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1321670846448 is an abundant number, since it is smaller than the sum of its proper divisors (2432378504760).

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

1321670846448 is a wasteful number, since it uses less digits than its factorization.

1321670846448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136989182 (or 136989173 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 54.

The spelling of 1321670846448 in words is "one trillion, three hundred twenty-one billion, six hundred seventy million, eight hundred forty-six thousand, four hundred forty-eight".