216204059 has 8 divisors (see below), whose sum is σ = 228030480. Its totient is φ = 204422400.

The previous prime is 216204049. The next prime is 216204073. The reversal of 216204059 is 950402612.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 216204059 - 2¹⁶ = 216138523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216204049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1022 + ... + 20819.

It is an arithmetic number, because the mean of its divisors is an integer number (28503810).

Almost surely, 2^216204059 is an apocalyptic number.

216204059 is a deficient number, since it is larger than the sum of its proper divisors (11826421).

216204059 is a wasteful number, since it uses less digits than its factorization.

216204059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22381.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 216204059 is about 14703.8790460205. The cubic root of 216204059 is about 600.1888840503.

The spelling of 216204059 in words is "two hundred sixteen million, two hundred four thousand, fifty-nine".