6667100417 has 2 divisors, whose sum is σ = 6667100418. Its totient is φ = 6667100416.

The previous prime is 6667100351. The next prime is 6667100527. The reversal of 6667100417 is 7140017666.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6197468176 + 469632241 = 78724^2 + 21671^2 .

It is a cyclic number.

It is not a de Polignac number, because 6667100417 - 2²⁰ = 6666051841 is a prime.

It is not a weakly prime, because it can be changed into another prime (6667100117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3333550208 + 3333550209.

It is an arithmetic number, because the mean of its divisors is an integer number (3333550209).

Almost surely, 2^6667100417 is an apocalyptic number.

It is an amenable number.

6667100417 is a deficient number, since it is larger than the sum of its proper divisors (1).

6667100417 is an equidigital number, since it uses as much as digits as its factorization.

6667100417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 6667100417 is about 81652.3142170508. The cubic root of 6667100417 is about 1882.1128743460.

The spelling of 6667100417 in words is "six billion, six hundred sixty-seven million, one hundred thousand, four hundred seventeen".