50018763168 has 576 divisors, whose sum is σ = 168014367360. Its totient is φ = 14452162560.

The previous prime is 50018763161. The next prime is 50018763169. The reversal of 50018763168 is 86136781005.

50018763168 is a `hidden beast` number, since 5 + 0 + 0 + 1 + 8 + 7 + 631 + 6 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (50018763161) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 259164480 + ... + 259164672.

It is an arithmetic number, because the mean of its divisors is an integer number (291691610).

Almost surely, 2^50018763168 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 50018763168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84007183680).

50018763168 is an abundant number, since it is smaller than the sum of its proper divisors (117995604192).

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

50018763168 is a wasteful number, since it uses less digits than its factorization.

50018763168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 50018763168 in words is "fifty billion, eighteen million, seven hundred sixty-three thousand, one hundred sixty-eight".