216560116652 has 24 divisors (see below), whose sum is σ = 414226531152. Its totient is φ = 98247468800.

The previous prime is 216560116651. The next prime is 216560116769. The reversal of 216560116652 is 256611065612.

It is a super-3 number, since 3×216560116652³ (a number of 35 digits) contains 333 as substring.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4700513 + ... + 4746360.

It is an arithmetic number, because the mean of its divisors is an integer number (17259438798).

Almost surely, 2^216560116652 is an apocalyptic number.

216560116652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

216560116652 is a deficient number, since it is larger than the sum of its proper divisors (197666414500).

216560116652 is a wasteful number, since it uses less digits than its factorization.

216560116652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9447409 (or 9447407 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 216560116652 in words is "two hundred sixteen billion, five hundred sixty million, one hundred sixteen thousand, six hundred fifty-two".