216033442827 has 16 divisors (see below), whose sum is σ = 300614142240. Its totient is φ = 137825418752.

The previous prime is 216033442777. The next prime is 216033442829. The reversal of 216033442827 is 728244330612.

It is a cyclic number.

It is not a de Polignac number, because 216033442827 - 2⁷ = 216033442699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216033442829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10977528 + ... + 10997189.

It is an arithmetic number, because the mean of its divisors is an integer number (18788383890).

Almost surely, 2^216033442827 is an apocalyptic number.

216033442827 is a deficient number, since it is larger than the sum of its proper divisors (84580699413).

216033442827 is a wasteful number, since it uses less digits than its factorization.

216033442827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21974862.

The product of its (nonzero) digits is 387072, while the sum is 42.

The spelling of 216033442827 in words is "two hundred sixteen billion, thirty-three million, four hundred forty-two thousand, eight hundred twenty-seven".