216248583 has 8 divisors (see below), whose sum is σ = 288508528. Its totient is φ = 144077184.

The previous prime is 216248581. The next prime is 216248611. The reversal of 216248583 is 385842612.

216248583 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 216248583 - 2¹ = 216248581 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 (216248581) 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, 16210 + ... + 26367.

It is an arithmetic number, because the mean of its divisors is an integer number (36063566).

Almost surely, 2^216248583 is an apocalyptic number.

216248583 is a deficient number, since it is larger than the sum of its proper divisors (72259945).

216248583 is a wasteful number, since it uses less digits than its factorization.

216248583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44273.

The product of its digits is 92160, while the sum is 39.

The square root of 216248583 is about 14705.3929903284. The cubic root of 216248583 is about 600.2300812042.

The spelling of 216248583 in words is "two hundred sixteen million, two hundred forty-eight thousand, five hundred eighty-three".