16550119854 has 128 divisors (see below), whose sum is σ = 40883097600. Its totient is φ = 4939038720.

The previous prime is 16550119849. The next prime is 16550119891. The reversal of 16550119854 is 45891105561.

16550119854 is a `hidden beast` number, since 1 + 6 + 5 + 501 + 1 + 98 + 54 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1674094 + ... + 1683950.

It is an arithmetic number, because the mean of its divisors is an integer number (319399200).

Almost surely, 2^16550119854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16550119854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20441548800).

16550119854 is an abundant number, since it is smaller than the sum of its proper divisors (24332977746).

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

16550119854 is a wasteful number, since it uses less digits than its factorization.

16550119854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9975 (or 9969 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 45.

The spelling of 16550119854 in words is "sixteen billion, five hundred fifty million, one hundred nineteen thousand, eight hundred fifty-four".