16427636803 has 4 divisors (see below), whose sum is σ = 16672825480. Its totient is φ = 16182448128.

The previous prime is 16427636779. The next prime is 16427636831. The reversal of 16427636803 is 30863672461.

16427636803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30863672461 = 127 ⋅243021043.

It is a cyclic number.

It is not a de Polignac number, because 16427636803 - 2²⁵ = 16394082371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16427636893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122594238 + ... + 122594371.

It is an arithmetic number, because the mean of its divisors is an integer number (4168206370).

Almost surely, 2^16427636803 is an apocalyptic number.

16427636803 is a deficient number, since it is larger than the sum of its proper divisors (245188677).

16427636803 is an equidigital number, since it uses as much as digits as its factorization.

16427636803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245188676.

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 16427636803 in words is "sixteen billion, four hundred twenty-seven million, six hundred thirty-six thousand, eight hundred three".