216116653 has 8 divisors (see below), whose sum is σ = 218851200. Its totient is φ = 213389088.

The previous prime is 216116651. The next prime is 216116707. The reversal of 216116653 is 356611612.

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 216116653 - 2¹ = 216116651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216116651) 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, 89500 + ... + 91882.

It is an arithmetic number, because the mean of its divisors is an integer number (27356400).

Almost surely, 2^216116653 is an apocalyptic number.

It is an amenable number.

216116653 is a deficient number, since it is larger than the sum of its proper divisors (2734547).

216116653 is a wasteful number, since it uses less digits than its factorization.

216116653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491.

The product of its digits is 6480, while the sum is 31.

The square root of 216116653 is about 14700.9065366732. The cubic root of 216116653 is about 600.1079925985.

The spelling of 216116653 in words is "two hundred sixteen million, one hundred sixteen thousand, six hundred fifty-three".