16887368853 has 24 divisors (see below), whose sum is σ = 26161181280. Its totient is φ = 10464461280.

The previous prime is 16887368851. The next prime is 16887368881. The reversal of 16887368853 is 35886378861.

It is not a de Polignac number, because 16887368853 - 2¹ = 16887368851 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16887368851) 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, 922603 + ... + 940728.

It is an arithmetic number, because the mean of its divisors is an integer number (1090049220).

Almost surely, 2^16887368853 is an apocalyptic number.

It is an amenable number.

16887368853 is a deficient number, since it is larger than the sum of its proper divisors (9273812427).

16887368853 is a wasteful number, since it uses less digits than its factorization.

16887368853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863409 (or 1863406 counting only the distinct ones).

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

The spelling of 16887368853 in words is "sixteen billion, eight hundred eighty-seven million, three hundred sixty-eight thousand, eight hundred fifty-three".