216709061017703 has 8 divisors (see below), whose sum is σ = 216746653251072. Its totient is φ = 216671470720056.

The previous prime is 216709061017679. The next prime is 216709061017747. The reversal of 216709061017703 is 307710160907612.

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 216709061017703 - 2¹⁸ = 216709060755559 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 (216709061017753) 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 7 ways as a sum of consecutive naturals, for example, 233162876 + ... + 234090462.

It is an arithmetic number, because the mean of its divisors is an integer number (27093331656384).

Almost surely, 2^{216709061017703} is an apocalyptic number.

216709061017703 is a deficient number, since it is larger than the sum of its proper divisors (37592233369).

216709061017703 is an equidigital number, since it uses as much as digits as its factorization.

216709061017703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967861.

The product of its (nonzero) digits is 666792, while the sum is 50.

The spelling of 216709061017703 in words is "two hundred sixteen trillion, seven hundred nine billion, sixty-one million, seventeen thousand, seven hundred three".