216416283 has 4 divisors (see below), whose sum is σ = 288555048. Its totient is φ = 144277520.

The previous prime is 216416267. The next prime is 216416351. The reversal of 216416283 is 382614612.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 216416283 - 2⁴ = 216416267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216416243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36069378 + ... + 36069383.

It is an arithmetic number, because the mean of its divisors is an integer number (72138762).

Almost surely, 2^216416283 is an apocalyptic number.

216416283 is a deficient number, since it is larger than the sum of its proper divisors (72138765).

216416283 is an equidigital number, since it uses as much as digits as its factorization.

216416283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72138764.

The product of its digits is 13824, while the sum is 33.

The square root of 216416283 is about 14711.0938750319. The cubic root of 216416283 is about 600.3851998711.

The spelling of 216416283 in words is "two hundred sixteen million, four hundred sixteen thousand, two hundred eighty-three".