216672110663 has 2 divisors, whose sum is σ = 216672110664. Its totient is φ = 216672110662.

The previous prime is 216672110659. The next prime is 216672110671. The reversal of 216672110663 is 366011276612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 216672110663 - 2² = 216672110659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 216672110663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216672110693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108336055331 + 108336055332.

It is an arithmetic number, because the mean of its divisors is an integer number (108336055332).

Almost surely, 2^216672110663 is an apocalyptic number.

216672110663 is a deficient number, since it is larger than the sum of its proper divisors (1).

216672110663 is an equidigital number, since it uses as much as digits as its factorization.

216672110663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 216672110663 in words is "two hundred sixteen billion, six hundred seventy-two million, one hundred ten thousand, six hundred sixty-three".