66203675 has 12 divisors (see below), whose sum is σ = 82412880. Its totient is φ = 52756320.

The previous prime is 66203663. The next prime is 66203681. The reversal of 66203675 is 57630266.

66203675 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 66203675 - 2⁶ = 66203611 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1541 + ... + 11609.

It is an arithmetic number, because the mean of its divisors is an integer number (6867740).

Almost surely, 2^66203675 is an apocalyptic number.

66203675 is a deficient number, since it is larger than the sum of its proper divisors (16209205).

66203675 is a wasteful number, since it uses less digits than its factorization.

66203675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10342 (or 10337 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 66203675 is about 8136.5640782827. The cubic root of 66203675 is about 404.5392820213.

The spelling of 66203675 in words is "sixty-six million, two hundred three thousand, six hundred seventy-five".