216241794109 has 8 divisors (see below), whose sum is σ = 236405284128. Its totient is φ = 196162494960.

The previous prime is 216241794101. The next prime is 216241794127. The reversal of 216241794109 is 901497142612.

216241794109 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 216241794109 - 2³ = 216241794101 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 (216241794101) 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, 21042342 + ... + 21052615.

It is an arithmetic number, because the mean of its divisors is an integer number (29550660516).

Almost surely, 2^216241794109 is an apocalyptic number.

It is an amenable number.

216241794109 is a deficient number, since it is larger than the sum of its proper divisors (20163490019).

216241794109 is a wasteful number, since it uses less digits than its factorization.

216241794109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42095435.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 216241794109 in words is "two hundred sixteen billion, two hundred forty-one million, seven hundred ninety-four thousand, one hundred nine".