216230312216461 has 8 divisors (see below), whose sum is σ = 221630478141024. Its totient is φ = 210894053581200.

The previous prime is 216230312216453. The next prime is 216230312216491. The reversal of 216230312216461 is 164612213032612.

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 216230312216461 - 2³ = 216230312216453 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 (216230312216491) 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, 15976815475 + ... + 15976829008.

It is an arithmetic number, because the mean of its divisors is an integer number (27703809767628).

Almost surely, 2^{216230312216461} is an apocalyptic number.

It is an amenable number.

216230312216461 is a deficient number, since it is larger than the sum of its proper divisors (5400165924563).

216230312216461 is a wasteful number, since it uses less digits than its factorization.

216230312216461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31953644651.

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 216230312216461 in words is "two hundred sixteen trillion, two hundred thirty billion, three hundred twelve million, two hundred sixteen thousand, four hundred sixty-one".