216265224635 has 4 divisors (see below), whose sum is σ = 259518269568. Its totient is φ = 173012179704.

The previous prime is 216265224563. The next prime is 216265224671. The reversal of 216265224635 is 536422562612.

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 216265224635 - 2¹² = 216265220539 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21626522459 + ... + 21626522468.

It is an arithmetic number, because the mean of its divisors is an integer number (64879567392).

Almost surely, 2^216265224635 is an apocalyptic number.

216265224635 is a deficient number, since it is larger than the sum of its proper divisors (43253044933).

216265224635 is an equidigital number, since it uses as much as digits as its factorization.

216265224635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43253044932.

The product of its digits is 1036800, while the sum is 44.

The spelling of 216265224635 in words is "two hundred sixteen billion, two hundred sixty-five million, two hundred twenty-four thousand, six hundred thirty-five".