50064885666 has 48 divisors (see below), whose sum is σ = 111829633344. Its totient is φ = 16175464992.

The previous prime is 50064885649. The next prime is 50064885697. The reversal of 50064885666 is 66658846005.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32245 + ... + 318071.

It is an arithmetic number, because the mean of its divisors is an integer number (2329784028).

Almost surely, 2^50064885666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50064885666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55914816672).

50064885666 is an abundant number, since it is smaller than the sum of its proper divisors (61764747678).

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

50064885666 is a wasteful number, since it uses less digits than its factorization.

50064885666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286135 (or 286132 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 54.

The spelling of 50064885666 in words is "fifty billion, sixty-four million, eight hundred eighty-five thousand, six hundred sixty-six".