9718716061 has 4 divisors (see below), whose sum is σ = 9720380124. Its totient is φ = 9717052000.

The previous prime is 9718716041. The next prime is 9718716083. The reversal of 9718716061 is 1606178179.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1329987961 + 8388728100 = 36469^2 + 91590^2 .

It is a cyclic number.

It is not a de Polignac number, because 9718716061 - 2²³ = 9710327453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9718716001) 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, 823240 + ... + 834961.

It is an arithmetic number, because the mean of its divisors is an integer number (2430095031).

Almost surely, 2^9718716061 is an apocalyptic number.

It is an amenable number.

9718716061 is a deficient number, since it is larger than the sum of its proper divisors (1664063).

9718716061 is a wasteful number, since it uses less digits than its factorization.

9718716061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664062.

The product of its (nonzero) digits is 127008, while the sum is 46.

The square root of 9718716061 is about 98583.5486326192. The cubic root of 9718716061 is about 2134.0420107778.

The spelling of 9718716061 in words is "nine billion, seven hundred eighteen million, seven hundred sixteen thousand, sixty-one".