6716719157 has 2 divisors, whose sum is σ = 6716719158. Its totient is φ = 6716719156.

The previous prime is 6716719151. The next prime is 6716719169. The reversal of 6716719157 is 7519176176.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6665252881 + 51466276 = 81641^2 + 7174^2 .

It is a cyclic number.

It is not a de Polignac number, because 6716719157 - 2¹⁰ = 6716718133 is a prime.

It is a super-2 number, since 2×6716719157² = 90228632468021581298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6716719151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3358359578 + 3358359579.

It is an arithmetic number, because the mean of its divisors is an integer number (3358359579).

Almost surely, 2^6716719157 is an apocalyptic number.

It is an amenable number.

6716719157 is a deficient number, since it is larger than the sum of its proper divisors (1).

6716719157 is an equidigital number, since it uses as much as digits as its factorization.

6716719157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 555660, while the sum is 50.

The square root of 6716719157 is about 81955.5925913540. The cubic root of 6716719157 is about 1886.7704386970.

The spelling of 6716719157 in words is "six billion, seven hundred sixteen million, seven hundred nineteen thousand, one hundred fifty-seven".