1606230016777 has 2 divisors, whose sum is σ = 1606230016778. Its totient is φ = 1606230016776.

The previous prime is 1606230016673. The next prime is 1606230016789. The reversal of 1606230016777 is 7776100326061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1582704899136 + 23525117641 = 1258056^2 + 153379^2 .

It is a cyclic number.

It is not a de Polignac number, because 1606230016777 - 2¹⁹ = 1606229492489 is a prime.

It is not a weakly prime, because it can be changed into another prime (1606230016477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803115008388 + 803115008389.

It is an arithmetic number, because the mean of its divisors is an integer number (803115008389).

Almost surely, 2^{1606230016777} is an apocalyptic number.

It is an amenable number.

1606230016777 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606230016777 is an equidigital number, since it uses as much as digits as its factorization.

1606230016777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 444528, while the sum is 46.

The spelling of 1606230016777 in words is "one trillion, six hundred six billion, two hundred thirty million, sixteen thousand, seven hundred seventy-seven".