1606126447 has 2 divisors, whose sum is σ = 1606126448. Its totient is φ = 1606126446.

The previous prime is 1606126439. The next prime is 1606126463. The reversal of 1606126447 is 7446216061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1606126447 - 2³ = 1606126439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1606127447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803063223 + 803063224.

It is an arithmetic number, because the mean of its divisors is an integer number (803063224).

Almost surely, 2^1606126447 is an apocalyptic number.

1606126447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606126447 is an equidigital number, since it uses as much as digits as its factorization.

1606126447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 1606126447 is about 40076.5074201832. The cubic root of 1606126447 is about 1171.0980139525.

The spelling of 1606126447 in words is "one billion, six hundred six million, one hundred twenty-six thousand, four hundred forty-seven".