716731821516 has 12 divisors (see below), whose sum is σ = 1672374250232. Its totient is φ = 238910607168.

The previous prime is 716731821497. The next prime is 716731821517. The reversal of 716731821516 is 615128137617.

716731821516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (716731821517) 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, 29863825885 + ... + 29863825908.

Almost surely, 2^716731821516 is an apocalyptic number.

It is an amenable number.

716731821516 is an abundant number, since it is smaller than the sum of its proper divisors (955642428716).

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

716731821516 is a wasteful number, since it uses less digits than its factorization.

716731821516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59727651800 (or 59727651798 counting only the distinct ones).

The product of its digits is 423360, while the sum is 48.

The spelling of 716731821516 in words is "seven hundred sixteen billion, seven hundred thirty-one million, eight hundred twenty-one thousand, five hundred sixteen".