16556070205099 has 2 divisors, whose sum is σ = 16556070205100. Its totient is φ = 16556070205098.

The previous prime is 16556070205091. The next prime is 16556070205177. The reversal of 16556070205099 is 99050207065561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16556070205099 - 2³ = 16556070205091 is a prime.

It is not a weakly prime, because it can be changed into another prime (16556070205091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8278035102549 + 8278035102550.

It is an arithmetic number, because the mean of its divisors is an integer number (8278035102550).

Almost surely, 2^{16556070205099} is an apocalyptic number.

16556070205099 is a deficient number, since it is larger than the sum of its proper divisors (1).

16556070205099 is an equidigital number, since it uses as much as digits as its factorization.

16556070205099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5103000, while the sum is 55.

The spelling of 16556070205099 in words is "sixteen trillion, five hundred fifty-six billion, seventy million, two hundred five thousand, ninety-nine".