16411865844 has 24 divisors (see below), whose sum is σ = 41775658848. Its totient is φ = 4973292640.

The previous prime is 16411865831. The next prime is 16411865849. The reversal of 16411865844 is 44856811461.

It is a junction number, because it is equal to n+sod(n) for n = 16411865793 and 16411865802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16411865849) 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, 62166027 + ... + 62166290.

It is an arithmetic number, because the mean of its divisors is an integer number (1740652452).

Almost surely, 2^16411865844 is an apocalyptic number.

It is an amenable number.

16411865844 is an abundant number, since it is smaller than the sum of its proper divisors (25363793004).

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

16411865844 is a wasteful number, since it uses less digits than its factorization.

16411865844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124332335 (or 124332333 counting only the distinct ones).

The product of its digits is 737280, while the sum is 48.

The spelling of 16411865844 in words is "sixteen billion, four hundred eleven million, eight hundred sixty-five thousand, eight hundred forty-four".