216122511363 has 16 divisors (see below), whose sum is σ = 314382055296. Its totient is φ = 130974157440.

The previous prime is 216122511313. The next prime is 216122511373. The reversal of 216122511363 is 363115221612.

It is not a de Polignac number, because 216122511363 - 2⁶ = 216122511299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (216122511313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264120 + ... + 708522.

It is an arithmetic number, because the mean of its divisors is an integer number (19648878456).

Almost surely, 2^216122511363 is an apocalyptic number.

216122511363 is a deficient number, since it is larger than the sum of its proper divisors (98259543933).

216122511363 is a wasteful number, since it uses less digits than its factorization.

216122511363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459154.

The product of its digits is 12960, while the sum is 33.

Adding to 216122511363 its reverse (363115221612), we get a palindrome (579237732975).

The spelling of 216122511363 in words is "two hundred sixteen billion, one hundred twenty-two million, five hundred eleven thousand, three hundred sixty-three".