216323315535 has 16 divisors (see below), whose sum is σ = 361165883904. Its totient is φ = 110356241952.

The previous prime is 216323315513. The next prime is 216323315569. The reversal of 216323315535 is 535513323612.

It is not a de Polignac number, because 216323315535 - 2⁸ = 216323315279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 216323315493 and 216323315502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313511707 + ... + 313512396.

It is an arithmetic number, because the mean of its divisors is an integer number (22572867744).

Almost surely, 2^216323315535 is an apocalyptic number.

216323315535 is a deficient number, since it is larger than the sum of its proper divisors (144842568369).

216323315535 is a wasteful number, since it uses less digits than its factorization.

216323315535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627024134.

The product of its digits is 243000, while the sum is 39.

The spelling of 216323315535 in words is "two hundred sixteen billion, three hundred twenty-three million, three hundred fifteen thousand, five hundred thirty-five".