66360850 has 12 divisors (see below), whose sum is σ = 123431274. Its totient is φ = 26544320.

The previous prime is 66360799. The next prime is 66360857. The reversal of 66360850 is 5806366.

66360850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 42341049 + 24019801 = 6507^2 + 4901^2 .

It is not an unprimeable number, because it can be changed into a prime (66360857) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 663559 + ... + 663658.

Almost surely, 2^66360850 is an apocalyptic number.

66360850 is a deficient number, since it is larger than the sum of its proper divisors (57070424).

66360850 is a wasteful number, since it uses less digits than its factorization.

66360850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327229 (or 1327224 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 66360850 is about 8146.2169133899. The cubic root of 66360850 is about 404.8591696499.

The spelling of 66360850 in words is "sixty-six million, three hundred sixty thousand, eight hundred fifty".