1606234109 has 2 divisors, whose sum is σ = 1606234110. Its totient is φ = 1606234108.

The previous prime is 1606234061. The next prime is 1606234153. The reversal of 1606234109 is 9014326061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1606005625 + 228484 = 40075^2 + 478^2 .

It is a cyclic number.

It is not a de Polignac number, because 1606234109 - 2¹² = 1606230013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1606234159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803117054 + 803117055.

It is an arithmetic number, because the mean of its divisors is an integer number (803117055).

Almost surely, 2^1606234109 is an apocalyptic number.

It is an amenable number.

1606234109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606234109 is an equidigital number, since it uses as much as digits as its factorization.

1606234109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 1606234109 is about 40077.8506035441. The cubic root of 1606234109 is about 1171.1241804139.

The spelling of 1606234109 in words is "one billion, six hundred six million, two hundred thirty-four thousand, one hundred nine".