216585795 has 8 divisors (see below), whose sum is σ = 346537296. Its totient is φ = 115512416.

The previous prime is 216585781. The next prime is 216585799. The reversal of 216585795 is 597585612.

It is a happy number.

216585795 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 216585795 - 2⁷ = 216585667 is a prime.

It is a super-3 number, since 3×216585795³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (216585799) 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, 7219512 + ... + 7219541.

It is an arithmetic number, because the mean of its divisors is an integer number (43317162).

Almost surely, 2^216585795 is an apocalyptic number.

216585795 is a deficient number, since it is larger than the sum of its proper divisors (129951501).

216585795 is a wasteful number, since it uses less digits than its factorization.

216585795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14439061.

The product of its digits is 756000, while the sum is 48.

The square root of 216585795 is about 14716.8541135665. The cubic root of 216585795 is about 600.5419131806.

The spelling of 216585795 in words is "two hundred sixteen million, five hundred eighty-five thousand, seven hundred ninety-five".