16550063020061 has 2 divisors, whose sum is σ = 16550063020062. Its totient is φ = 16550063020060.

The previous prime is 16550063019911. The next prime is 16550063020129. The reversal of 16550063020061 is 16002036005561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11613823304836 + 4936239715225 = 3407906^2 + 2221765^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16550063020061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16550063025061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8275031510030 + 8275031510031.

It is an arithmetic number, because the mean of its divisors is an integer number (8275031510031).

Almost surely, 2^{16550063020061} is an apocalyptic number.

It is an amenable number.

16550063020061 is a deficient number, since it is larger than the sum of its proper divisors (1).

16550063020061 is an equidigital number, since it uses as much as digits as its factorization.

16550063020061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 16550063020061 in words is "sixteen trillion, five hundred fifty billion, sixty-three million, twenty thousand, sixty-one".