216798059 has 8 divisors (see below), whose sum is σ = 235755648. Its totient is φ = 198529920.

The previous prime is 216798053. The next prime is 216798061. The reversal of 216798059 is 950897612.

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 216798059 - 2⁸ = 216797803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216798053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171707 + ... + 172964.

It is an arithmetic number, because the mean of its divisors is an integer number (29469456).

Almost surely, 2^216798059 is an apocalyptic number.

216798059 is a deficient number, since it is larger than the sum of its proper divisors (18957589).

216798059 is a wasteful number, since it uses less digits than its factorization.

216798059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344725.

The product of its (nonzero) digits is 272160, while the sum is 47.

The square root of 216798059 is about 14724.0639430831. The cubic root of 216798059 is about 600.7380353194.

The spelling of 216798059 in words is "two hundred sixteen million, seven hundred ninety-eight thousand, fifty-nine".