16786483549 has 12 divisors (see below), whose sum is σ = 18585957852. Its totient is φ = 15149034560.

The previous prime is 16786483541. The next prime is 16786483559. The reversal of 16786483549 is 94538468761.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8476884900 + 8309598649 = 92070^2 + 91157^2 .

It is not a de Polignac number, because 16786483549 - 2³ = 16786483541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16786483541) 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 11 ways as a sum of consecutive naturals, for example, 489742 + ... + 522895.

It is an arithmetic number, because the mean of its divisors is an integer number (1548829821).

Almost surely, 2^16786483549 is an apocalyptic number.

It is an amenable number.

16786483549 is a deficient number, since it is larger than the sum of its proper divisors (1799474303).

16786483549 is a wasteful number, since it uses less digits than its factorization.

16786483549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012796 (or 1012785 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 61.

The spelling of 16786483549 in words is "sixteen billion, seven hundred eighty-six million, four hundred eighty-three thousand, five hundred forty-nine".