216461226331653 has 32 divisors (see below), whose sum is σ = 300626846779392. Its totient is φ = 138412855022400.

The previous prime is 216461226331633. The next prime is 216461226331681. The reversal of 216461226331653 is 356133622164612.

It is not a de Polignac number, because 216461226331653 - 2²⁰ = 216461225283077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 216461226331596 and 216461226331605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216461226331633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63200050 + ... + 66536972.

It is an arithmetic number, because the mean of its divisors is an integer number (9394588961856).

Almost surely, 2^{216461226331653} is an apocalyptic number.

It is an amenable number.

216461226331653 is a deficient number, since it is larger than the sum of its proper divisors (84165620447739).

216461226331653 is a wasteful number, since it uses less digits than its factorization.

216461226331653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3345265.

The product of its digits is 5598720, while the sum is 51.

The spelling of 216461226331653 in words is "two hundred sixteen trillion, four hundred sixty-one billion, two hundred twenty-six million, three hundred thirty-one thousand, six hundred fifty-three".