6716520117 has 6 divisors (see below), whose sum is σ = 9701640182. Its totient is φ = 4477680072.

The previous prime is 6716520113. The next prime is 6716520119. The reversal of 6716520117 is 7110256176.

6716520117 is a `hidden beast` number, since 6 + 7 + 16 + 520 + 117 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6716458116 + 62001 = 81954^2 + 249^2 .

It is not a de Polignac number, because 6716520117 - 2² = 6716520113 is a prime.

It is a super-2 number, since 2×6716520117² = 90223284964131387378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6716520113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 373139998 + ... + 373140015.

Almost surely, 2^6716520117 is an apocalyptic number.

It is an amenable number.

6716520117 is a deficient number, since it is larger than the sum of its proper divisors (2985120065).

6716520117 is a wasteful number, since it uses less digits than its factorization.

6716520117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746280019 (or 746280016 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 6716520117 is about 81954.3782662037. The cubic root of 6716520117 is about 1886.7518012994.

The spelling of 6716520117 in words is "six billion, seven hundred sixteen million, five hundred twenty thousand, one hundred seventeen".