50185380168 has 576 divisors, whose sum is σ = 180124560000. Its totient is φ = 12898448640.

The previous prime is 50185380151. The next prime is 50185380187. The reversal of 50185380168 is 86108358105.

50185380168 is a `hidden beast` number, since 50 + 1 + 8 + 538 + 0 + 1 + 68 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 190818805 + ... + 190819067.

It is an arithmetic number, because the mean of its divisors is an integer number (312716250).

Almost surely, 2^50185380168 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 50185380168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90062280000).

50185380168 is an abundant number, since it is smaller than the sum of its proper divisors (129939179832).

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

50185380168 is a wasteful number, since it uses less digits than its factorization.

50185380168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 45.

The spelling of 50185380168 in words is "fifty billion, one hundred eighty-five million, three hundred eighty thousand, one hundred sixty-eight".