819116496 has 80 divisors (see below), whose sum is σ = 2564925120. Its totient is φ = 248215680.

The previous prime is 819116453. The next prime is 819116497. The reversal of 819116496 is 694611918.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (819116497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81435 + ... + 90938.

It is an arithmetic number, because the mean of its divisors is an integer number (32061564).

Almost surely, 2^819116496 is an apocalyptic number.

It is an amenable number.

819116496 is an abundant number, since it is smaller than the sum of its proper divisors (1745808624).

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

819116496 is a wasteful number, since it uses less digits than its factorization.

819116496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172401 (or 172389 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 819116496 is about 28620.2113199746. The cubic root of 819116496 is about 935.6538825466.

The spelling of 819116496 in words is "eight hundred nineteen million, one hundred sixteen thousand, four hundred ninety-six".