216326113827 has 4 divisors (see below), whose sum is σ = 288434818440. Its totient is φ = 144217409216.

The previous prime is 216326113819. The next prime is 216326113889. The reversal of 216326113827 is 728311623612.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 216326113827 - 2³ = 216326113819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216326113327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36054352302 + ... + 36054352307.

It is an arithmetic number, because the mean of its divisors is an integer number (72108704610).

Almost surely, 2^216326113827 is an apocalyptic number.

216326113827 is a deficient number, since it is larger than the sum of its proper divisors (72108704613).

216326113827 is an equidigital number, since it uses as much as digits as its factorization.

216326113827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72108704612.

The product of its digits is 145152, while the sum is 42.

The spelling of 216326113827 in words is "two hundred sixteen billion, three hundred twenty-six million, one hundred thirteen thousand, eight hundred twenty-seven".