321363066164 has 24 divisors (see below), whose sum is σ = 642751549440. Its totient is φ = 137721581856.

The previous prime is 321363066161. The next prime is 321363066173. The reversal of 321363066164 is 461660363123.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321363066161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539114 + ... + 966110.

It is an arithmetic number, because the mean of its divisors is an integer number (26781314560).

Almost surely, 2^321363066164 is an apocalyptic number.

It is an amenable number.

321363066164 is an abundant number, since it is smaller than the sum of its proper divisors (321388483276).

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

321363066164 is a wasteful number, since it uses less digits than its factorization.

321363066164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453887 (or 453885 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 41.

The spelling of 321363066164 in words is "three hundred twenty-one billion, three hundred sixty-three million, sixty-six thousand, one hundred sixty-four".