216364983 has 8 divisors (see below), whose sum is σ = 288870768. Its totient is φ = 144051264.

The previous prime is 216364961. The next prime is 216365003. The reversal of 216364983 is 389463612.

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

It is not a de Polignac number, because 216364983 - 2⁸ = 216364727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216364583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45366 + ... + 49907.

It is an arithmetic number, because the mean of its divisors is an integer number (36108846).

Almost surely, 2^216364983 is an apocalyptic number.

216364983 is a deficient number, since it is larger than the sum of its proper divisors (72505785).

216364983 is an equidigital number, since it uses as much as digits as its factorization.

216364983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96033.

The product of its digits is 186624, while the sum is 42.

The square root of 216364983 is about 14709.3501895903. The cubic root of 216364983 is about 600.3377570535.

The spelling of 216364983 in words is "two hundred sixteen million, three hundred sixty-four thousand, nine hundred eighty-three".