216560116650 has 48 divisors (see below), whose sum is σ = 537104132064. Its totient is φ = 57745596480.

The previous prime is 216560116571. The next prime is 216560116651. The reversal of 216560116650 is 56611065612.

It is a junction number, because it is equal to n+sod(n) for n = 216560116599 and 216560116608.

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 23 ways as a sum of consecutive naturals, for example, 2852584 + ... + 2927516.

It is an arithmetic number, because the mean of its divisors is an integer number (11189669418).

Almost surely, 2^216560116650 is an apocalyptic number.

216560116650 is an abundant number, since it is smaller than the sum of its proper divisors (320544015414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216560116650 is a wasteful number, since it uses less digits than its factorization.

216560116650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94215 (or 94210 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 216560116650 in words is "two hundred sixteen billion, five hundred sixty million, one hundred sixteen thousand, six hundred fifty".