321053325416 has 16 divisors (see below), whose sum is σ = 603292223940. Its totient is φ = 160175399040.

The previous prime is 321053325403. The next prime is 321053325419. The reversal of 321053325416 is 614523350123.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 317255068516 + 3798256900 = 563254^2 + 61630^2 .

It is not an unprimeable number, because it can be changed into a prime (321053325419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43904075 + ... + 43911386.

Almost surely, 2^321053325416 is an apocalyptic number.

It is an amenable number.

321053325416 is a deficient number, since it is larger than the sum of its proper divisors (282238898524).

321053325416 is a wasteful number, since it uses less digits than its factorization.

321053325416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87815924 (or 87815920 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 321053325416 its reverse (614523350123), we get a palindrome (935576675539).

The spelling of 321053325416 in words is "three hundred twenty-one billion, fifty-three million, three hundred twenty-five thousand, four hundred sixteen".