16368927885 has 24 divisors (see below), whose sum is σ = 28375827480. Its totient is φ = 8729165952.

The previous prime is 16368927829. The next prime is 16368927889. The reversal of 16368927885 is 58872986361.

16368927885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 86657481 + 16282270404 = 9309^2 + 127602^2 .

It is not a de Polignac number, because 16368927885 - 2⁶ = 16368927821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16368927889) 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 23 ways as a sum of consecutive naturals, for example, 711787 + ... + 734423.

It is an arithmetic number, because the mean of its divisors is an integer number (1182326145).

Almost surely, 2^16368927885 is an apocalyptic number.

16368927885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16368927885 is a deficient number, since it is larger than the sum of its proper divisors (12006899595).

16368927885 is a wasteful number, since it uses less digits than its factorization.

16368927885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38717 (or 38714 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 63.

The spelling of 16368927885 in words is "sixteen billion, three hundred sixty-eight million, nine hundred twenty-seven thousand, eight hundred eighty-five".