6657165017 has 2 divisors, whose sum is σ = 6657165018. Its totient is φ = 6657165016.

The previous prime is 6657165007. The next prime is 6657165049. The reversal of 6657165017 is 7105617566.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5698891081 + 958273936 = 75491^2 + 30956^2 .

It is a cyclic number.

It is not a de Polignac number, because 6657165017 - 2⁶ = 6657164953 is a prime.

It is a super-2 number, since 2×6657165017² = 88635692127137220578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6657165007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3328582508 + 3328582509.

It is an arithmetic number, because the mean of its divisors is an integer number (3328582509).

Almost surely, 2^6657165017 is an apocalyptic number.

It is an amenable number.

6657165017 is a deficient number, since it is larger than the sum of its proper divisors (1).

6657165017 is an equidigital number, since it uses as much as digits as its factorization.

6657165017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 264600, while the sum is 44.

The square root of 6657165017 is about 81591.4518623121. The cubic root of 6657165017 is about 1881.1774931684.

The spelling of 6657165017 in words is "six billion, six hundred fifty-seven million, one hundred sixty-five thousand, seventeen".