16854483003865 has 32 divisors (see below), whose sum is σ = 22952237212800. Its totient is φ = 11778621143040.

The previous prime is 16854483003797. The next prime is 16854483003889. The reversal of 16854483003865 is 56830038445861.

It is a happy number.

It is not a de Polignac number, because 16854483003865 - 2⁷ = 16854483003737 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6197871 + ... + 8492500.

It is an arithmetic number, because the mean of its divisors is an integer number (717257412900).

Almost surely, 2^{16854483003865} is an apocalyptic number.

It is an amenable number.

16854483003865 is a deficient number, since it is larger than the sum of its proper divisors (6097754208935).

16854483003865 is a wasteful number, since it uses less digits than its factorization.

16854483003865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14691337.

The product of its (nonzero) digits is 66355200, while the sum is 61.

The spelling of 16854483003865 in words is "sixteen trillion, eight hundred fifty-four billion, four hundred eighty-three million, three thousand, eight hundred sixty-five".