216883277331065 has 16 divisors (see below), whose sum is σ = 275207985593856. Its totient is φ = 163814277129600.

The previous prime is 216883277330953. The next prime is 216883277331067. The reversal of 216883277331065 is 560133772388612.

216883277331065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 216883277331065 - 2³⁰ = 216882203589241 is a prime.

It is a super-2 number, since 2×216883277331065² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 216883277330989 and 216883277331007.

It is not an unprimeable number, because it can be changed into a prime (216883277331067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17063980847 + ... + 17063993556.

It is an arithmetic number, because the mean of its divisors is an integer number (17200499099616).

Almost surely, 2^{216883277331065} is an apocalyptic number.

It is an amenable number.

216883277331065 is a deficient number, since it is larger than the sum of its proper divisors (58324708262791).

216883277331065 is a wasteful number, since it uses less digits than its factorization.

216883277331065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34127974480.

The product of its (nonzero) digits is 60963840, while the sum is 62.

The spelling of 216883277331065 in words is "two hundred sixteen trillion, eight hundred eighty-three billion, two hundred seventy-seven million, three hundred thirty-one thousand, sixty-five".