216430024065 has 16 divisors (see below), whose sum is σ = 346392642048. Its totient is φ = 115394478336.

The previous prime is 216430024051. The next prime is 216430024073. The reversal of 216430024065 is 560420034612.

It is not a de Polignac number, because 216430024065 - 2³⁰ = 215356282241 is a prime.

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, 2127889 + ... + 2227278.

It is an arithmetic number, because the mean of its divisors is an integer number (21649540128).

Almost surely, 2^216430024065 is an apocalyptic number.

It is an amenable number.

216430024065 is a deficient number, since it is larger than the sum of its proper divisors (129962617983).

216430024065 is a wasteful number, since it uses less digits than its factorization.

216430024065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4358488.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 216430024065 its reverse (560420034612), we get a palindrome (776850058677).

The spelling of 216430024065 in words is "two hundred sixteen billion, four hundred thirty million, twenty-four thousand, sixty-five".