216302066265 has 16 divisors (see below), whose sum is σ = 348375252096. Its totient is φ = 114597120000.

The previous prime is 216302066261. The next prime is 216302066291. The reversal of 216302066265 is 562660203612.

It is not a de Polignac number, because 216302066265 - 2² = 216302066261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216302066261) 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, 47746536 + ... + 47751065.

It is an arithmetic number, because the mean of its divisors is an integer number (21773453256).

Almost surely, 2^216302066265 is an apocalyptic number.

It is an amenable number.

216302066265 is a deficient number, since it is larger than the sum of its proper divisors (132073185831).

216302066265 is a wasteful number, since it uses less digits than its factorization.

216302066265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95497760.

The product of its (nonzero) digits is 155520, while the sum is 39.

Adding to 216302066265 its reverse (562660203612), we get a palindrome (778962269877).

The spelling of 216302066265 in words is "two hundred sixteen billion, three hundred two million, sixty-six thousand, two hundred sixty-five".