216012760117 has 16 divisors (see below), whose sum is σ = 269344962432. Its totient is φ = 168302661120.

The previous prime is 216012760063. The next prime is 216012760147. The reversal of 216012760117 is 711067210612.

It is not a de Polignac number, because 216012760117 - 2¹¹ = 216012758069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216012760147) 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, 550033 + ... + 857065.

It is an arithmetic number, because the mean of its divisors is an integer number (16834060152).

Almost surely, 2^216012760117 is an apocalyptic number.

It is an amenable number.

216012760117 is a deficient number, since it is larger than the sum of its proper divisors (53332202315).

216012760117 is a wasteful number, since it uses less digits than its factorization.

216012760117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316188.

The product of its (nonzero) digits is 7056, while the sum is 34.

Adding to 216012760117 its reverse (711067210612), we get a palindrome (927079970729).

The spelling of 216012760117 in words is "two hundred sixteen billion, twelve million, seven hundred sixty thousand, one hundred seventeen".