16949888356 has 12 divisors (see below), whose sum is σ = 29924803692. Its totient is φ = 8399944448.

The previous prime is 16949888339. The next prime is 16949888359. The reversal of 16949888356 is 65388894961.

16949888356 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 2 ways, for example, as 8351035456 + 8598852900 = 91384^2 + 92730^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16949888291 and 16949888300.

It is not an unprimeable number, because it can be changed into a prime (16949888359) 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, 18749425 + ... + 18750328.

It is an arithmetic number, because the mean of its divisors is an integer number (2493733641).

Almost surely, 2^16949888356 is an apocalyptic number.

It is an amenable number.

16949888356 is a deficient number, since it is larger than the sum of its proper divisors (12974915336).

16949888356 is a wasteful number, since it uses less digits than its factorization.

16949888356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37499870 (or 37499868 counting only the distinct ones).

The product of its digits is 89579520, while the sum is 67.

The spelling of 16949888356 in words is "sixteen billion, nine hundred forty-nine million, eight hundred eighty-eight thousand, three hundred fifty-six".