16555066050 has 48 divisors (see below), whose sum is σ = 41370021792. Its totient is φ = 4380979200.

The previous prime is 16555066037. The next prime is 16555066051. The reversal of 16555066050 is 5066055561.

It is not an unprimeable number, because it can be changed into a prime (16555066051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 401599 + ... + 440898.

It is an arithmetic number, because the mean of its divisors is an integer number (861875454).

Almost surely, 2^16555066050 is an apocalyptic number.

16555066050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16555066050 is an abundant number, since it is smaller than the sum of its proper divisors (24814955742).

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

16555066050 is a wasteful number, since it uses less digits than its factorization.

16555066050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842643 (or 842638 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 16555066050 in words is "sixteen billion, five hundred fifty-five million, sixty-six thousand, fifty".