16813414444 has 6 divisors (see below), whose sum is σ = 29423475284. Its totient is φ = 8406707220.

The previous prime is 16813414433. The next prime is 16813414451. The reversal of 16813414444 is 44441431861.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16813414397 and 16813414406.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2101676802 + ... + 2101676809.

Almost surely, 2^16813414444 is an apocalyptic number.

It is an amenable number.

16813414444 is a deficient number, since it is larger than the sum of its proper divisors (12610060840).

16813414444 is a wasteful number, since it uses less digits than its factorization.

16813414444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4203353615 (or 4203353613 counting only the distinct ones).

The product of its digits is 147456, while the sum is 40.

The spelling of 16813414444 in words is "sixteen billion, eight hundred thirteen million, four hundred fourteen thousand, four hundred forty-four".