16853518356 has 24 divisors (see below), whose sum is σ = 39530770944. Its totient is φ = 5588425920.

The previous prime is 16853518351. The next prime is 16853518399. The reversal of 16853518356 is 65381535861.

It is a junction number, because it is equal to n+sod(n) for n = 16853518299 and 16853518308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16853518351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3674305 + ... + 3678888.

It is an arithmetic number, because the mean of its divisors is an integer number (1647115456).

Almost surely, 2^16853518356 is an apocalyptic number.

It is an amenable number.

16853518356 is an abundant number, since it is smaller than the sum of its proper divisors (22677252588).

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

16853518356 is a wasteful number, since it uses less digits than its factorization.

16853518356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7353391 (or 7353389 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 51.

The spelling of 16853518356 in words is "sixteen billion, eight hundred fifty-three million, five hundred eighteen thousand, three hundred fifty-six".