216603102603 has 8 divisors (see below), whose sum is σ = 288834993216. Its totient is φ = 144386640200.

The previous prime is 216603102589. The next prime is 216603102631. The reversal of 216603102603 is 306201306612.

216603102603 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 216603102603 - 2⁵ = 216603102571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216603102803) 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, 3824253 + ... + 3880478.

It is an arithmetic number, because the mean of its divisors is an integer number (36104374152).

Almost surely, 2^216603102603 is an apocalyptic number.

216603102603 is a deficient number, since it is larger than the sum of its proper divisors (72231890613).

216603102603 is an equidigital number, since it uses as much as digits as its factorization.

216603102603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7714105.

The product of its (nonzero) digits is 7776, while the sum is 30.

The spelling of 216603102603 in words is "two hundred sixteen billion, six hundred three million, one hundred two thousand, six hundred three".