16550566016 has 16 divisors (see below), whose sum is σ = 32971830990. Its totient is φ = 8275282944.

The previous prime is 16550566013. The next prime is 16550566073. The reversal of 16550566016 is 61066505561.

16550566016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8858574400 + 7691991616 = 94120^2 + 87704^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×16550566016² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16550566013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64650521 + ... + 64650776.

Almost surely, 2^16550566016 is an apocalyptic number.

16550566016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16550566016 is a deficient number, since it is larger than the sum of its proper divisors (16421264974).

16550566016 is an equidigital number, since it uses as much as digits as its factorization.

16550566016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129301311 (or 129301299 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 16550566016 in words is "sixteen billion, five hundred fifty million, five hundred sixty-six thousand, sixteen".