66096601 has 2 divisors, whose sum is σ = 66096602. Its totient is φ = 66096600.

The previous prime is 66096599. The next prime is 66096607. The reversal of 66096601 is 10669066.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45630025 + 20466576 = 6755^2 + 4524^2 .

It is a cyclic number.

It is not a de Polignac number, because 66096601 - 2¹ = 66096599 is a prime.

Together with 66096599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (66096607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33048300 + 33048301.

It is an arithmetic number, because the mean of its divisors is an integer number (33048301).

Almost surely, 2^66096601 is an apocalyptic number.

It is an amenable number.

66096601 is a deficient number, since it is larger than the sum of its proper divisors (1).

66096601 is an equidigital number, since it uses as much as digits as its factorization.

66096601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 66096601 is about 8129.9816112953. The cubic root of 66096601 is about 404.3210715158.

The spelling of 66096601 in words is "sixty-six million, ninety-six thousand, six hundred one".