216119806 has 16 divisors (see below), whose sum is σ = 379108224. Its totient is φ = 90468504.

The previous prime is 216119801. The next prime is 216119819. The reversal of 216119806 is 608911612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216119801) 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, 178900 + ... + 180103.

It is an arithmetic number, because the mean of its divisors is an integer number (23694264).

Almost surely, 2^216119806 is an apocalyptic number.

216119806 is a deficient number, since it is larger than the sum of its proper divisors (162988418).

216119806 is a wasteful number, since it uses less digits than its factorization.

216119806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359055.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 216119806 is about 14701.0137745667. The cubic root of 216119806 is about 600.1109109781.

The spelling of 216119806 in words is "two hundred sixteen million, one hundred nineteen thousand, eight hundred six".