321982953664 has 28 divisors (see below), whose sum is σ = 639032847408. Its totient is φ = 160966803200.

The previous prime is 321982953583. The next prime is 321982953673. The reversal of 321982953664 is 466359289123.

It is a junction number, because it is equal to n+sod(n) for n = 321982953599 and 321982953608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38949 + ... + 803419.

Almost surely, 2^321982953664 is an apocalyptic number.

It is an amenable number.

321982953664 is a deficient number, since it is larger than the sum of its proper divisors (317049893744).

321982953664 is an equidigital number, since it uses as much as digits as its factorization.

321982953664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771064 (or 771054 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 58.

The spelling of 321982953664 in words is "three hundred twenty-one billion, nine hundred eighty-two million, nine hundred fifty-three thousand, six hundred sixty-four".