216065371152 has 40 divisors (see below), whose sum is σ = 558722190880. Its totient is φ = 71950394880.

The previous prime is 216065371091. The next prime is 216065371177. The reversal of 216065371152 is 251173560612.

It is a super-2 number, since 2×216065371152² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 216065371152.

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, 2182174 + ... + 2279037.

It is an arithmetic number, because the mean of its divisors is an integer number (13968054772).

Almost surely, 2^216065371152 is an apocalyptic number.

It is an amenable number.

216065371152 is an abundant number, since it is smaller than the sum of its proper divisors (342656819728).

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

216065371152 is a wasteful number, since it uses less digits than its factorization.

216065371152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4462231 (or 4462225 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 39.

The spelling of 216065371152 in words is "two hundred sixteen billion, sixty-five million, three hundred seventy-one thousand, one hundred fifty-two".