216560116653 has 16 divisors (see below), whose sum is σ = 289464215040. Its totient is φ = 144014852016.

The previous prime is 216560116651. The next prime is 216560116769. The reversal of 216560116653 is 356611065612.

It is not a de Polignac number, because 216560116653 - 2¹ = 216560116651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216560116651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7712826 + ... + 7740852.

It is an arithmetic number, because the mean of its divisors is an integer number (18091513440).

Almost surely, 2^216560116653 is an apocalyptic number.

It is an amenable number.

216560116653 is a deficient number, since it is larger than the sum of its proper divisors (72904098387).

216560116653 is a wasteful number, since it uses less digits than its factorization.

216560116653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34336.

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 216560116653 in words is "two hundred sixteen billion, five hundred sixty million, one hundred sixteen thousand, six hundred fifty-three".