816740481704 has 48 divisors (see below), whose sum is σ = 1815022574100. Its totient is φ = 343427255808.

The previous prime is 816740481691. The next prime is 816740481727. The reversal of 816740481704 is 407184047618.

816740481704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 650845562500 + 165894919204 = 806750^2 + 407302^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19635089 + ... + 19676640.

Almost surely, 2^816740481704 is an apocalyptic number.

It is an amenable number.

816740481704 is an abundant number, since it is smaller than the sum of its proper divisors (998282092396).

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

816740481704 is a wasteful number, since it uses less digits than its factorization.

816740481704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39311802 (or 39311791 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 50.

The spelling of 816740481704 in words is "eight hundred sixteen billion, seven hundred forty million, four hundred eighty-one thousand, seven hundred four".