16813608044 has 12 divisors (see below), whose sum is σ = 29511127464. Its totient is φ = 8381857344.

The previous prime is 16813608029. The next prime is 16813608083. The reversal of 16813608044 is 44080631861.

It is a junction number, because it is equal to n+sod(n) for n = 16813607992 and 16813608010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6235154 + ... + 6237849.

It is an arithmetic number, because the mean of its divisors is an integer number (2459260622).

Almost surely, 2^16813608044 is an apocalyptic number.

It is an amenable number.

16813608044 is a deficient number, since it is larger than the sum of its proper divisors (12697519420).

16813608044 is a wasteful number, since it uses less digits than its factorization.

16813608044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12473344 (or 12473342 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The spelling of 16813608044 in words is "sixteen billion, eight hundred thirteen million, six hundred eight thousand, forty-four".