216830824360 has 16 divisors (see below), whose sum is σ = 487869354900. Its totient is φ = 86732329728.

The previous prime is 216830824291. The next prime is 216830824363. The reversal of 216830824360 is 63428038612.

It can be written as a sum of positive squares in 2 ways, for example, as 216409179204 + 421645156 = 465198^2 + 20534^2 .

It is not an unprimeable number, because it can be changed into a prime (216830824363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2710385265 + ... + 2710385344.

Almost surely, 2^216830824360 is an apocalyptic number.

216830824360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216830824360 is an abundant number, since it is smaller than the sum of its proper divisors (271038530540).

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

216830824360 is a wasteful number, since it uses less digits than its factorization.

216830824360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5420770620 (or 5420770616 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 216830824360 in words is "two hundred sixteen billion, eight hundred thirty million, eight hundred twenty-four thousand, three hundred sixty".