216706707360 has 576 divisors, whose sum is σ = 883571794560. Its totient is φ = 47669207040.

The previous prime is 216706707337. The next prime is 216706707361. The reversal of 216706707360 is 63707607612.

216706707360 is a `hidden beast` number, since 216 + 7 + 0 + 6 + 70 + 7 + 360 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (216706707361) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12140362 + ... + 12158198.

It is an arithmetic number, because the mean of its divisors is an integer number (1533978810).

Almost surely, 2^216706707360 is an apocalyptic number.

216706707360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216706707360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (441785897280).

216706707360 is an abundant number, since it is smaller than the sum of its proper divisors (666865087200).

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

216706707360 is a wasteful number, since it uses less digits than its factorization.

216706707360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17941 (or 17930 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 45.

The spelling of 216706707360 in words is "two hundred sixteen billion, seven hundred six million, seven hundred seven thousand, three hundred sixty".