716681766674 has 8 divisors (see below), whose sum is σ = 1075190720268. Its totient is φ = 358284859920.

The previous prime is 716681766673. The next prime is 716681766683. The reversal of 716681766674 is 476667186617.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 702319422025 + 14362344649 = 838045^2 + 119843^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×716681766674³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 716681766674.

It is not an unprimeable number, because it can be changed into a prime (716681766673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27995717 + ... + 28021304.

Almost surely, 2^716681766674 is an apocalyptic number.

716681766674 is a deficient number, since it is larger than the sum of its proper divisors (358508953594).

716681766674 is a wasteful number, since it uses less digits than its factorization.

716681766674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56023420.

The product of its digits is 85349376, while the sum is 65.

The spelling of 716681766674 in words is "seven hundred sixteen billion, six hundred eighty-one million, seven hundred sixty-six thousand, six hundred seventy-four".