816576496 has 20 divisors (see below), whose sum is σ = 1615780512. Its totient is φ = 399600896.

The previous prime is 816576473. The next prime is 816576499. The reversal of 816576496 is 694675618.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816576499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542185 + ... + 543688.

Almost surely, 2^816576496 is an apocalyptic number.

It is an amenable number.

816576496 is a deficient number, since it is larger than the sum of its proper divisors (799204016).

816576496 is a wasteful number, since it uses less digits than its factorization.

816576496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085928 (or 1085922 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 52.

The square root of 816576496 is about 28575.8026308974. The cubic root of 816576496 is about 934.6857574964.

The spelling of 816576496 in words is "eight hundred sixteen million, five hundred seventy-six thousand, four hundred ninety-six".