66000207050 has 24 divisors (see below), whose sum is σ = 122925676896. Its totient is φ = 26364536240.

The previous prime is 66000207041. The next prime is 66000207089. The reversal of 66000207050 is 5070200066.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 851144 + ... + 925443.

It is an arithmetic number, because the mean of its divisors is an integer number (5121903204).

Almost surely, 2^66000207050 is an apocalyptic number.

66000207050 is a deficient number, since it is larger than the sum of its proper divisors (56925469846).

66000207050 is a wasteful number, since it uses less digits than its factorization.

66000207050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777342 (or 1777337 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The spelling of 66000207050 in words is "sixty-six billion, two hundred seven thousand, fifty".