321063140066446 has 16 divisors (see below), whose sum is σ = 494694065851920. Its totient is φ = 156166579212480.

The previous prime is 321063140066441. The next prime is 321063140066491. The reversal of 321063140066446 is 644660041360123.

It is a junction number, because it is equal to n+sod(n) for n = 321063140066396 and 321063140066405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321063140066441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364831695 + ... + 365710666.

It is an arithmetic number, because the mean of its divisors is an integer number (30918379115745).

Almost surely, 2^{321063140066446} is an apocalyptic number.

321063140066446 is a deficient number, since it is larger than the sum of its proper divisors (173630925785474).

321063140066446 is a wasteful number, since it uses less digits than its factorization.

321063140066446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730548339.

The product of its (nonzero) digits is 1492992, while the sum is 46.

The spelling of 321063140066446 in words is "three hundred twenty-one trillion, sixty-three billion, one hundred forty million, sixty-six thousand, four hundred forty-six".