216417430346467 has 4 divisors (see below), whose sum is σ = 247334206110256. Its totient is φ = 185500654582680.

The previous prime is 216417430346407. The next prime is 216417430346561. The reversal of 216417430346467 is 764643034714612.

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 216417430346467 - 2⁷ = 216417430346339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216417430346407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15458387881884 + ... + 15458387881897.

It is an arithmetic number, because the mean of its divisors is an integer number (61833551527564).

Almost surely, 2^{216417430346467} is an apocalyptic number.

216417430346467 is a deficient number, since it is larger than the sum of its proper divisors (30916775763789).

216417430346467 is an equidigital number, since it uses as much as digits as its factorization.

216417430346467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30916775763788.

The product of its (nonzero) digits is 48771072, while the sum is 58.

The spelling of 216417430346467 in words is "two hundred sixteen trillion, four hundred seventeen billion, four hundred thirty million, three hundred forty-six thousand, four hundred sixty-seven".