216677303226667 has 8 divisors (see below), whose sum is σ = 216865943910000. Its totient is φ = 216488686801920.

The previous prime is 216677303226551. The next prime is 216677303226673. The reversal of 216677303226667 is 766622303776612.

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 216677303226667 - 2¹¹ = 216677303224619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 216677303226599 and 216677303226608.

It is not an unprimeable number, because it can be changed into a prime (216677303226767) 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, 11830068 + ... + 23943790.

It is an arithmetic number, because the mean of its divisors is an integer number (27108242988750).

Almost surely, 2^{216677303226667} is an apocalyptic number.

216677303226667 is a deficient number, since it is larger than the sum of its proper divisors (188640683333).

216677303226667 is a wasteful number, since it uses less digits than its factorization.

216677303226667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12129293.

The product of its (nonzero) digits is 192036096, while the sum is 64.

Subtracting 216677303226667 from its reverse (766622303776612), we obtain a palindrome (549945000549945).

The spelling of 216677303226667 in words is "two hundred sixteen trillion, six hundred seventy-seven billion, three hundred three million, two hundred twenty-six thousand, six hundred sixty-seven".