66885050 has 12 divisors (see below), whose sum is σ = 124406286. Its totient is φ = 26754000.

The previous prime is 66885047. The next prime is 66885083. The reversal of 66885050 is 5058866.

It can be written as a sum of positive squares in 3 ways, for example, as 47761921 + 19123129 = 6911^2 + 4373^2 .

It is a junction number, because it is equal to n+sod(n) for n = 66884995 and 66885013.

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 5 ways as a sum of consecutive naturals, for example, 668801 + ... + 668900.

Almost surely, 2^66885050 is an apocalyptic number.

66885050 is a deficient number, since it is larger than the sum of its proper divisors (57521236).

66885050 is a wasteful number, since it uses less digits than its factorization.

66885050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337713 (or 1337708 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 66885050 is about 8178.3280687436. The cubic root of 66885050 is about 405.9224009847.

The spelling of 66885050 in words is "sixty-six million, eight hundred eighty-five thousand, fifty".