16660573445093 has 2 divisors, whose sum is σ = 16660573445094. Its totient is φ = 16660573445092.

The previous prime is 16660573445059. The next prime is 16660573445099. The reversal of 16660573445093 is 39054437506661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15514641732769 + 1145931712324 = 3938863^2 + 1070482^2 .

It is a cyclic number.

It is not a de Polignac number, because 16660573445093 - 2¹⁰ = 16660573444069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16660573445099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8330286722546 + 8330286722547.

It is an arithmetic number, because the mean of its divisors is an integer number (8330286722547).

Almost surely, 2^{16660573445093} is an apocalyptic number.

It is an amenable number.

16660573445093 is a deficient number, since it is larger than the sum of its proper divisors (1).

16660573445093 is an equidigital number, since it uses as much as digits as its factorization.

16660573445093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48988800, while the sum is 59.

The spelling of 16660573445093 in words is "sixteen trillion, six hundred sixty billion, five hundred seventy-three million, four hundred forty-five thousand, ninety-three".