16857252784 has 20 divisors (see below), whose sum is σ = 32675506600. Its totient is φ = 8424864000.

The previous prime is 16857252779. The next prime is 16857252829. The reversal of 16857252784 is 48725275861.

16857252784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 198009 + ... + 270040.

It is an arithmetic number, because the mean of its divisors is an integer number (1633775330).

Almost surely, 2^16857252784 is an apocalyptic number.

It is an amenable number.

16857252784 is a deficient number, since it is larger than the sum of its proper divisors (15818253816).

16857252784 is a wasteful number, since it uses less digits than its factorization.

16857252784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470308 (or 470302 counting only the distinct ones).

The product of its digits is 7526400, while the sum is 55.

The spelling of 16857252784 in words is "sixteen billion, eight hundred fifty-seven million, two hundred fifty-two thousand, seven hundred eighty-four".