16818008703 has 4 divisors (see below), whose sum is σ = 22424011608. Its totient is φ = 11212005800.

The previous prime is 16818008629. The next prime is 16818008717. The reversal of 16818008703 is 30780081861.

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 16818008703 - 2⁹ = 16818008191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16818008743) 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, 2803001448 + ... + 2803001453.

It is an arithmetic number, because the mean of its divisors is an integer number (5606002902).

Almost surely, 2^16818008703 is an apocalyptic number.

16818008703 is a deficient number, since it is larger than the sum of its proper divisors (5606002905).

16818008703 is an equidigital number, since it uses as much as digits as its factorization.

16818008703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5606002904.

The product of its (nonzero) digits is 64512, while the sum is 42.

The spelling of 16818008703 in words is "sixteen billion, eight hundred eighteen million, eight thousand, seven hundred three".