216223311327045 has 16 divisors (see below), whose sum is σ = 377407961589312. Its totient is φ = 104835544885760.

The previous prime is 216223311327017. The next prime is 216223311327113. The reversal of 216223311327045 is 540723113322612.

It is not a de Polignac number, because 216223311327045 - 2⁵ = 216223311327013 is a prime.

It is a super-2 number, since 2×216223311327045² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 216223311326988 and 216223311327006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 655222155372 + ... + 655222155701.

It is an arithmetic number, because the mean of its divisors is an integer number (23587997599332).

Almost surely, 2^{216223311327045} is an apocalyptic number.

It is an amenable number.

216223311327045 is a deficient number, since it is larger than the sum of its proper divisors (161184650262267).

216223311327045 is a wasteful number, since it uses less digits than its factorization.

216223311327045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310444311092.

The product of its (nonzero) digits is 362880, while the sum is 42.

Adding to 216223311327045 its reverse (540723113322612), we get a palindrome (756946424649657).

The spelling of 216223311327045 in words is "two hundred sixteen trillion, two hundred twenty-three billion, three hundred eleven million, three hundred twenty-seven thousand, forty-five".