16550522073 has 20 divisors (see below), whose sum is σ = 24729604900. Its totient is φ = 11031010272.

The previous prime is 16550522069. The next prime is 16550522089. The reversal of 16550522073 is 37022505561.

16550522073 is a `hidden beast` number, since 1 + 65 + 5 + 0 + 522 + 0 + 73 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6754867344 + 9795654729 = 82188^2 + 98973^2 .

It is not a de Polignac number, because 16550522073 - 2² = 16550522069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16550522003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 346011 + ... + 390927.

It is an arithmetic number, because the mean of its divisors is an integer number (1236480245).

Almost surely, 2^16550522073 is an apocalyptic number.

It is an amenable number.

16550522073 is a deficient number, since it is larger than the sum of its proper divisors (8179082827).

16550522073 is an equidigital number, since it uses as much as digits as its factorization.

16550522073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49478 (or 49469 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

It can be divided in two parts, 165505 and 22073, that added together give a triangular number (187578 = T₆₁₂).

The spelling of 16550522073 in words is "sixteen billion, five hundred fifty million, five hundred twenty-two thousand, seventy-three".