816344419312 has 20 divisors (see below), whose sum is σ = 1591138379376. Its totient is φ = 405728063360.

The previous prime is 816344419309. The next prime is 816344419321. The reversal of 816344419312 is 213914443618.

It is a congruent number.

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, 152756389 + ... + 152761732.

Almost surely, 2^816344419312 is an apocalyptic number.

It is an amenable number.

816344419312 is a deficient number, since it is larger than the sum of its proper divisors (774793960064).

816344419312 is a wasteful number, since it uses less digits than its factorization.

816344419312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305518296 (or 305518290 counting only the distinct ones).

The product of its digits is 497664, while the sum is 46.

The spelling of 816344419312 in words is "eight hundred sixteen billion, three hundred forty-four million, four hundred nineteen thousand, three hundred twelve".