16682557803 has 16 divisors (see below), whose sum is σ = 22627933440. Its totient is φ = 10929569184.

The previous prime is 16682557799. The next prime is 16682557811. The reversal of 16682557803 is 30875528661.

It is a happy number.

It is not a de Polignac number, because 16682557803 - 2² = 16682557799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16682553803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 583050 + ... + 610992.

It is an arithmetic number, because the mean of its divisors is an integer number (1414245840).

Almost surely, 2^16682557803 is an apocalyptic number.

16682557803 is a deficient number, since it is larger than the sum of its proper divisors (5945375637).

16682557803 is a wasteful number, since it uses less digits than its factorization.

16682557803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31378.

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 16682557803 in words is "sixteen billion, six hundred eighty-two million, five hundred fifty-seven thousand, eight hundred three".