216202830 has 32 divisors (see below), whose sum is σ = 536781600. Its totient is φ = 55665792.

The previous prime is 216202817. The next prime is 216202841. The reversal of 216202830 is 38202612.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 216202830.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 123385 + ... + 125124.

It is an arithmetic number, because the mean of its divisors is an integer number (16774425).

Almost surely, 2^216202830 is an apocalyptic number.

216202830 is an abundant number, since it is smaller than the sum of its proper divisors (320578770).

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

216202830 is a wasteful number, since it uses less digits than its factorization.

216202830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248548.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 216202830 is about 14703.8372542680. The cubic root of 216202830 is about 600.1877468013.

The spelling of 216202830 in words is "two hundred sixteen million, two hundred two thousand, eight hundred thirty".