1606607537 has 2 divisors, whose sum is σ = 1606607538. Its totient is φ = 1606607536.

The previous prime is 1606607507. The next prime is 1606607557. The reversal of 1606607537 is 7357066061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1592887921 + 13719616 = 39911^2 + 3704^2 .

It is a cyclic number.

It is not a de Polignac number, because 1606607537 - 2¹⁰ = 1606606513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1606607494 and 1606607503.

It is not a weakly prime, because it can be changed into another prime (1606607507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803303768 + 803303769.

It is an arithmetic number, because the mean of its divisors is an integer number (803303769).

Almost surely, 2^1606607537 is an apocalyptic number.

It is an amenable number.

1606607537 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606607537 is an equidigital number, since it uses as much as digits as its factorization.

1606607537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 1606607537 is about 40082.5091155731. The cubic root of 1606607537 is about 1171.2149302972.

The spelling of 1606607537 in words is "one billion, six hundred six million, six hundred seven thousand, five hundred thirty-seven".