321101562016216 has 16 divisors (see below), whose sum is σ = 610545223553040. Its totient is φ = 158289502402080.

The previous prime is 321101562016133. The next prime is 321101562016297. The reversal of 321101562016216 is 612610265101123.

It is a congruent number.

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, 282659825151 + ... + 282659826286.

It is an arithmetic number, because the mean of its divisors is an integer number (38159076472065).

Almost surely, 2^{321101562016216} is an apocalyptic number.

It is an amenable number.

321101562016216 is a deficient number, since it is larger than the sum of its proper divisors (289443661536824).

321101562016216 is a wasteful number, since it uses less digits than its factorization.

321101562016216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565319651514 (or 565319651510 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 321101562016216 in words is "three hundred twenty-one trillion, one hundred one billion, five hundred sixty-two million, sixteen thousand, two hundred sixteen".