216141806 has 8 divisors (see below), whose sum is σ = 324923520. Its totient is φ = 107833968.

The previous prime is 216141733. The next prime is 216141811. The reversal of 216141806 is 608141612.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117326 + ... + 119153.

It is an arithmetic number, because the mean of its divisors is an integer number (40615440).

Almost surely, 2^216141806 is an apocalyptic number.

216141806 is a deficient number, since it is larger than the sum of its proper divisors (108781714).

216141806 is a wasteful number, since it uses less digits than its factorization.

216141806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236938.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 216141806 is about 14701.7620032430. The cubic root of 216141806 is about 600.1312731287.

The spelling of 216141806 in words is "two hundred sixteen million, one hundred forty-one thousand, eight hundred six".