16849853847 has 40 divisors (see below), whose sum is σ = 27409258800. Its totient is φ = 10275019776.

The previous prime is 16849853833. The next prime is 16849853849. The reversal of 16849853847 is 74835894861.

16849853847 is a `hidden beast` number, since 1 + 6 + 8 + 4 + 98 + 538 + 4 + 7 = 666.

It is not a de Polignac number, because 16849853847 - 2¹⁴ = 16849837463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16849853849) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 144138 + ... + 233399.

It is an arithmetic number, because the mean of its divisors is an integer number (685231470).

Almost surely, 2^16849853847 is an apocalyptic number.

16849853847 is a deficient number, since it is larger than the sum of its proper divisors (10559404953).

16849853847 is a wasteful number, since it uses less digits than its factorization.

16849853847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377597 (or 377588 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 63.

The spelling of 16849853847 in words is "sixteen billion, eight hundred forty-nine million, eight hundred fifty-three thousand, eight hundred forty-seven".