216068309532672 has 120 divisors (see below), whose sum is σ = 576233780677632. Its totient is φ = 72014118912000.

The previous prime is 216068309532659. The next prime is 216068309532721. The reversal of 216068309532672 is 276235903860612.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415615297 + ... + 416134847.

Almost surely, 2^{216068309532672} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216068309532672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288116890338816).

216068309532672 is an abundant number, since it is smaller than the sum of its proper divisors (360165471144960).

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

216068309532672 is an frugal number, since it uses more digits than its factorization.

216068309532672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528043 (or 528017 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 60.

The spelling of 216068309532672 in words is "two hundred sixteen trillion, sixty-eight billion, three hundred nine million, five hundred thirty-two thousand, six hundred seventy-two".