16852783872 has 36 divisors (see below), whose sum is σ = 44852984120. Its totient is φ = 5617594368.

The previous prime is 16852783861. The next prime is 16852783873. The reversal of 16852783872 is 27838725861.

It is not an unprimeable number, because it can be changed into a prime (16852783873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10971097 + ... + 10972632.

Almost surely, 2^16852783872 is an apocalyptic number.

16852783872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16852783872 is an abundant number, since it is smaller than the sum of its proper divisors (28000200248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16852783872 is an equidigital number, since it uses as much as digits as its factorization.

16852783872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21943748 (or 21943734 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 57.

The spelling of 16852783872 in words is "sixteen billion, eight hundred fifty-two million, seven hundred eighty-three thousand, eight hundred seventy-two".