216120004017 has 16 divisors (see below), whose sum is σ = 289265894400. Its totient is φ = 143527295232.

The previous prime is 216120003977. The next prime is 216120004019. The reversal of 216120004017 is 710400021612.

It is not a de Polignac number, because 216120004017 - 2¹⁶ = 216119938481 is a prime.

It is a super-2 number, since 2×216120004017² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (216120004019) 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, 3960873 + ... + 4015065.

It is an arithmetic number, because the mean of its divisors is an integer number (18079118400).

Almost surely, 2^216120004017 is an apocalyptic number.

It is an amenable number.

216120004017 is a deficient number, since it is larger than the sum of its proper divisors (73145890383).

216120004017 is a wasteful number, since it uses less digits than its factorization.

216120004017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59272.

The product of its (nonzero) digits is 672, while the sum is 24.

Adding to 216120004017 its reverse (710400021612), we get a palindrome (926520025629).

The spelling of 216120004017 in words is "two hundred sixteen billion, one hundred twenty million, four thousand, seventeen".