50366745666 has 24 divisors (see below), whose sum is σ = 109141375980. Its totient is φ = 16786849536.

The previous prime is 50366745619. The next prime is 50366745673. The reversal of 50366745666 is 66654766305.

It can be written as a sum of positive squares in 2 ways, for example, as 44738595225 + 5628150441 = 211515^2 + 75021^2 .

It is a Curzon number.

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 11 ways as a sum of consecutive naturals, for example, 18055 + ... + 317898.

Almost surely, 2^50366745666 is an apocalyptic number.

50366745666 is an abundant number, since it is smaller than the sum of its proper divisors (58774630314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50366745666 is a wasteful number, since it uses less digits than its factorization.

50366745666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344290 (or 344287 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 54.

The spelling of 50366745666 in words is "fifty billion, three hundred sixty-six million, seven hundred forty-five thousand, six hundred sixty-six".