1606332139 has 2 divisors, whose sum is σ = 1606332140. Its totient is φ = 1606332138.

The previous prime is 1606332107. The next prime is 1606332149. The reversal of 1606332139 is 9312336061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1606332139 - 2⁵ = 1606332107 is a prime.

It is not a weakly prime, because it can be changed into another prime (1606332149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803166069 + 803166070.

It is an arithmetic number, because the mean of its divisors is an integer number (803166070).

Almost surely, 2^1606332139 is an apocalyptic number.

1606332139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606332139 is an equidigital number, since it uses as much as digits as its factorization.

1606332139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 1606332139 is about 40079.0735796126. The cubic root of 1606332139 is about 1171.1480048712.

The spelling of 1606332139 in words is "one billion, six hundred six million, three hundred thirty-two thousand, one hundred thirty-nine".