16853488243 has 24 divisors (see below), whose sum is σ = 18429914880. Its totient is φ = 15391313280.

The previous prime is 16853488231. The next prime is 16853488259. The reversal of 16853488243 is 34288435861.

It is not a de Polignac number, because 16853488243 - 2¹³ = 16853480051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16853488943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11379063 + ... + 11380543.

It is an arithmetic number, because the mean of its divisors is an integer number (767913120).

Almost surely, 2^16853488243 is an apocalyptic number.

16853488243 is a deficient number, since it is larger than the sum of its proper divisors (1576426637).

16853488243 is a wasteful number, since it uses less digits than its factorization.

16853488243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635 (or 2616 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 52.

The spelling of 16853488243 in words is "sixteen billion, eight hundred fifty-three million, four hundred eighty-eight thousand, two hundred forty-three".