216202086 has 12 divisors (see below), whose sum is σ = 468437892. Its totient is φ = 72067356.

The previous prime is 216202081. The next prime is 216202087. The reversal of 216202086 is 680202612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216202081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6005596 + ... + 6005631.

It is an arithmetic number, because the mean of its divisors is an integer number (39036491).

Almost surely, 2^216202086 is an apocalyptic number.

216202086 is an abundant number, since it is smaller than the sum of its proper divisors (252235806).

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

216202086 is a wasteful number, since it uses less digits than its factorization.

216202086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12011235 (or 12011232 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 216202086 is about 14703.8119547279. The cubic root of 216202086 is about 600.1870583426.

Adding to 216202086 its reverse (680202612), we get a palindrome (896404698).

The spelling of 216202086 in words is "two hundred sixteen million, two hundred two thousand, eighty-six".