66500035 has 16 divisors (see below), whose sum is σ = 91567296. Its totient is φ = 45416448.

The previous prime is 66500017. The next prime is 66500051. The reversal of 66500035 is 53000566.

It is not a de Polignac number, because 66500035 - 2⁵ = 66500003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66499982 and 66500009.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 5299 + ... + 12691.

It is an arithmetic number, because the mean of its divisors is an integer number (5722956).

Almost surely, 2^66500035 is an apocalyptic number.

66500035 is a deficient number, since it is larger than the sum of its proper divisors (25067261).

66500035 is a wasteful number, since it uses less digits than its factorization.

66500035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7662.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 66500035 is about 8154.7553611375. The cubic root of 66500035 is about 405.1420220297.

The spelling of 66500035 in words is "sixty-six million, five hundred thousand, thirty-five".