6617670071 has 2 divisors, whose sum is σ = 6617670072. Its totient is φ = 6617670070.

The previous prime is 6617670023. The next prime is 6617670107. The reversal of 6617670071 is 1700767166.

Together with next prime (6617670107) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6617670071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6617670571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3308835035 + 3308835036.

It is an arithmetic number, because the mean of its divisors is an integer number (3308835036).

Almost surely, 2^6617670071 is an apocalyptic number.

6617670071 is a deficient number, since it is larger than the sum of its proper divisors (1).

6617670071 is an equidigital number, since it uses as much as digits as its factorization.

6617670071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74088, while the sum is 41.

The square root of 6617670071 is about 81349.0631230625. The cubic root of 6617670071 is about 1877.4499596652.

The spelling of 6617670071 in words is "six billion, six hundred seventeen million, six hundred seventy thousand, seventy-one".