216916795 has 8 divisors (see below), whose sum is σ = 271617696. Its totient is φ = 165988416.

The previous prime is 216916771. The next prime is 216916807. The reversal of 216916795 is 597619612.

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 216916795 - 2⁹ = 216916283 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943002 + ... + 943231.

It is an arithmetic number, because the mean of its divisors is an integer number (33952212).

Almost surely, 2^216916795 is an apocalyptic number.

216916795 is a deficient number, since it is larger than the sum of its proper divisors (54700901).

216916795 is a wasteful number, since it uses less digits than its factorization.

216916795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886261.

The product of its digits is 204120, while the sum is 46.

The square root of 216916795 is about 14728.0954301634. The cubic root of 216916795 is about 600.8476860758.

The spelling of 216916795 in words is "two hundred sixteen million, nine hundred sixteen thousand, seven hundred ninety-five".