50666739216 has 160 divisors (see below), whose sum is σ = 135399333888. Its totient is φ = 16317826560.

The previous prime is 50666739209. The next prime is 50666739229. The reversal of 50666739216 is 61293766605.

It is a happy number.

50666739216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68191741 + ... + 68192483.

Almost surely, 2^50666739216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50666739216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67699666944).

50666739216 is an abundant number, since it is smaller than the sum of its proper divisors (84732594672).

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

50666739216 is a wasteful number, since it uses less digits than its factorization.

50666739216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149 (or 1143 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 51.

The spelling of 50666739216 in words is "fifty billion, six hundred sixty-six million, seven hundred thirty-nine thousand, two hundred sixteen".