1606412737 has 2 divisors, whose sum is σ = 1606412738. Its totient is φ = 1606412736.

The previous prime is 1606412729. The next prime is 1606412771. The reversal of 1606412737 is 7372146061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1244043441 + 362369296 = 35271^2 + 19036^2 .

It is a cyclic number.

It is not a de Polignac number, because 1606412737 - 2³ = 1606412729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1606412696 and 1606412705.

It is not a weakly prime, because it can be changed into another prime (1606412707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803206368 + 803206369.

It is an arithmetic number, because the mean of its divisors is an integer number (803206369).

Almost surely, 2^1606412737 is an apocalyptic number.

It is an amenable number.

1606412737 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606412737 is an equidigital number, since it uses as much as digits as its factorization.

1606412737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 1606412737 is about 40080.0790543133. The cubic root of 1606412737 is about 1171.1675920633.

Adding to 1606412737 its reverse (7372146061), we get a palindrome (8978558798).

The spelling of 1606412737 in words is "one billion, six hundred six million, four hundred twelve thousand, seven hundred thirty-seven".