216032246261 has 8 divisors (see below), whose sum is σ = 238060579680. Its totient is φ = 194776836912.

The previous prime is 216032246197. The next prime is 216032246263. The reversal of 216032246261 is 162642230612.

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 216032246261 - 2⁶ = 216032246197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216032246263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193230431 + ... + 193231548.

It is an arithmetic number, because the mean of its divisors is an integer number (29757572460).

Almost surely, 2^216032246261 is an apocalyptic number.

It is an amenable number.

216032246261 is a deficient number, since it is larger than the sum of its proper divisors (22028333419).

216032246261 is a wasteful number, since it uses less digits than its factorization.

216032246261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386462035.

The product of its (nonzero) digits is 41472, while the sum is 35.

Adding to 216032246261 its reverse (162642230612), we get a palindrome (378674476873).

The spelling of 216032246261 in words is "two hundred sixteen billion, thirty-two million, two hundred forty-six thousand, two hundred sixty-one".