216103510605 has 16 divisors (see below), whose sum is σ = 345795229440. Its totient is φ = 115245334848.

The previous prime is 216103510583. The next prime is 216103510631. The reversal of 216103510605 is 506015301612.

It is not a de Polignac number, because 216103510605 - 2¹⁰ = 216103509581 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 434197 + ... + 787866.

It is an arithmetic number, because the mean of its divisors is an integer number (21612201840).

Almost surely, 2^216103510605 is an apocalyptic number.

It is an amenable number.

216103510605 is a deficient number, since it is larger than the sum of its proper divisors (129691718835).

216103510605 is a wasteful number, since it uses less digits than its factorization.

216103510605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233860.

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 216103510605 in words is "two hundred sixteen billion, one hundred three million, five hundred ten thousand, six hundred five".