16667218103 has 2 divisors, whose sum is σ = 16667218104. Its totient is φ = 16667218102.

The previous prime is 16667218079. The next prime is 16667218123. The reversal of 16667218103 is 30181276661.

It is a strong prime.

It is an emirp because it is prime and its reverse (30181276661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16667218103 - 2¹⁰ = 16667217079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16667218123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8333609051 + 8333609052.

It is an arithmetic number, because the mean of its divisors is an integer number (8333609052).

Almost surely, 2^16667218103 is an apocalyptic number.

16667218103 is a deficient number, since it is larger than the sum of its proper divisors (1).

16667218103 is an equidigital number, since it uses as much as digits as its factorization.

16667218103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 16667218103 in words is "sixteen billion, six hundred sixty-seven million, two hundred eighteen thousand, one hundred three".