16044550650 has 144 divisors (see below), whose sum is σ = 45000334080. Its totient is φ = 4093689600.

The previous prime is 16044550601. The next prime is 16044550651. The reversal of 16044550650 is 5605544061.

16044550650 is a `hidden beast` number, since 1 + 6 + 0 + 44 + 550 + 65 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (16044550651) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1235089 + ... + 1248011.

It is an arithmetic number, because the mean of its divisors is an integer number (312502320).

Almost surely, 2^16044550650 is an apocalyptic number.

16044550650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16044550650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22500167040).

16044550650 is an abundant number, since it is smaller than the sum of its proper divisors (28955783430).

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

16044550650 is a wasteful number, since it uses less digits than its factorization.

16044550650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13061 (or 13053 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 16044550650 in words is "sixteen billion, forty-four million, five hundred fifty thousand, six hundred fifty".