216100316 has 6 divisors (see below), whose sum is σ = 378175560. Its totient is φ = 108050156.

The previous prime is 216100289. The next prime is 216100321. The reversal of 216100316 is 613001612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27012536 + ... + 27012543.

It is an arithmetic number, because the mean of its divisors is an integer number (63029260).

Almost surely, 2^216100316 is an apocalyptic number.

It is an amenable number.

216100316 is a deficient number, since it is larger than the sum of its proper divisors (162075244).

216100316 is a wasteful number, since it uses less digits than its factorization.

216100316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54025083 (or 54025081 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 216100316 is about 14700.3508801661. The cubic root of 216100316 is about 600.0928708095.

Adding to 216100316 its reverse (613001612), we get a palindrome (829101928).

The spelling of 216100316 in words is "two hundred sixteen million, one hundred thousand, three hundred sixteen".