216593093793 has 8 divisors (see below), whose sum is σ = 289153142208. Its totient is φ = 144214220624.

The previous prime is 216593093767. The next prime is 216593093831. The reversal of 216593093793 is 397390395612.

216593093793 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 a cyclic number.

It is not a de Polignac number, because 216593093793 - 2¹⁶ = 216593028257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216593093693) 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, 45291021 + ... + 45295802.

It is an arithmetic number, because the mean of its divisors is an integer number (36144142776).

Almost surely, 2^216593093793 is an apocalyptic number.

It is an amenable number.

216593093793 is a deficient number, since it is larger than the sum of its proper divisors (72560048415).

216593093793 is an equidigital number, since it uses as much as digits as its factorization.

216593093793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90587623.

The product of its (nonzero) digits is 8266860, while the sum is 57.

The spelling of 216593093793 in words is "two hundred sixteen billion, five hundred ninety-three million, ninety-three thousand, seven hundred ninety-three".